Home / 71,160.04-98,199.36-39,328.24

Finding the Fourth Proportional to 71,160.04, 98,199.36 and 39,328.24

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Solution

The fourth proportional to 71,160.04, 98,199.36 and 39,328.24 is: 54,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.04 : 98,199.36 = 39,328.24 : x
  2. Step 2: Convert to fraction form
    71,160.04/98,199.36 = 39,328.24/x
  3. Step 3: Cross multiply
    71,160.04x = 98,199.36 × 39,328.24
  4. Step 4: Simplify right side
    71,160.04x = 3,862,007,997.93
  5. Step 5: Solve for x
    x = 3,862,007,997.93/71,160.04
  6. Step 6: Final answer
    x = 54,272.14

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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.