Home / 105,041.44-157,585.60-38,480.16

Finding the Fourth Proportional to 105,041.44, 157,585.60 and 38,480.16

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Solution

The fourth proportional to 105,041.44, 157,585.60 and 38,480.16 is: 57,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.44 : 157,585.60 = 38,480.16 : x
  2. Step 2: Convert to fraction form
    105,041.44/157,585.60 = 38,480.16/x
  3. Step 3: Cross multiply
    105,041.44x = 157,585.60 × 38,480.16
  4. Step 4: Simplify right side
    105,041.44x = 6,063,919,101.70
  5. Step 5: Solve for x
    x = 6,063,919,101.70/105,041.44
  6. Step 6: Final answer
    x = 57,728.83

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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.