Home / 71,166.25-98,209.33-38,901.07

Finding the Fourth Proportional to 71,166.25, 98,209.33 and 38,901.07

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Solution

The fourth proportional to 71,166.25, 98,209.33 and 38,901.07 is: 53,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.25 : 98,209.33 = 38,901.07 : x
  2. Step 2: Convert to fraction form
    71,166.25/98,209.33 = 38,901.07/x
  3. Step 3: Cross multiply
    71,166.25x = 98,209.33 × 38,901.07
  4. Step 4: Simplify right side
    71,166.25x = 3,820,448,020.98
  5. Step 5: Solve for x
    x = 3,820,448,020.98/71,166.25
  6. Step 6: Final answer
    x = 53,683.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.