Home / 105,047.59-157,571.39-38,460.73

Finding the Fourth Proportional to 105,047.59, 157,571.39 and 38,460.73

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Solution

The fourth proportional to 105,047.59, 157,571.39 and 38,460.73 is: 57,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,047.59 : 157,571.39 = 38,460.73 : x
  2. Step 2: Convert to fraction form
    105,047.59/157,571.39 = 38,460.73/x
  3. Step 3: Cross multiply
    105,047.59x = 157,571.39 × 38,460.73
  4. Step 4: Simplify right side
    105,047.59x = 6,060,310,100.28
  5. Step 5: Solve for x
    x = 6,060,310,100.28/105,047.59
  6. Step 6: Final answer
    x = 57,691.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.