Home / 71,108.79-98,127.99-39,277.62

Finding the Fourth Proportional to 71,108.79, 98,127.99 and 39,277.62

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Solution

The fourth proportional to 71,108.79, 98,127.99 and 39,277.62 is: 54,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,108.79 : 98,127.99 = 39,277.62 : x
  2. Step 2: Convert to fraction form
    71,108.79/98,127.99 = 39,277.62/x
  3. Step 3: Cross multiply
    71,108.79x = 98,127.99 × 39,277.62
  4. Step 4: Simplify right side
    71,108.79x = 3,854,233,902.58
  5. Step 5: Solve for x
    x = 3,854,233,902.58/71,108.79
  6. Step 6: Final answer
    x = 54,201.93

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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.