Home / 71,153.16-98,193.24-39,323.40

Finding the Fourth Proportional to 71,153.16, 98,193.24 and 39,323.40

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Solution

The fourth proportional to 71,153.16, 98,193.24 and 39,323.40 is: 54,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,153.16 : 98,193.24 = 39,323.40 : x
  2. Step 2: Convert to fraction form
    71,153.16/98,193.24 = 39,323.40/x
  3. Step 3: Cross multiply
    71,153.16x = 98,193.24 × 39,323.40
  4. Step 4: Simplify right side
    71,153.16x = 3,861,292,053.82
  5. Step 5: Solve for x
    x = 3,861,292,053.82/71,153.16
  6. Step 6: Final answer
    x = 54,267.33

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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.