Home / 105,109.58-157,570.59-38,534.16

Finding the Fourth Proportional to 105,109.58, 157,570.59 and 38,534.16

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Solution

The fourth proportional to 105,109.58, 157,570.59 and 38,534.16 is: 57,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109.58 : 157,570.59 = 38,534.16 : x
  2. Step 2: Convert to fraction form
    105,109.58/157,570.59 = 38,534.16/x
  3. Step 3: Cross multiply
    105,109.58x = 157,570.59 × 38,534.16
  4. Step 4: Simplify right side
    105,109.58x = 6,071,850,326.35
  5. Step 5: Solve for x
    x = 6,071,850,326.35/105,109.58
  6. Step 6: Final answer
    x = 57,766.86

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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.