Home / 71,080.07-98,089.31-39,248.15

Finding the Fourth Proportional to 71,080.07, 98,089.31 and 39,248.15

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Solution

The fourth proportional to 71,080.07, 98,089.31 and 39,248.15 is: 54,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080.07 : 98,089.31 = 39,248.15 : x
  2. Step 2: Convert to fraction form
    71,080.07/98,089.31 = 39,248.15/x
  3. Step 3: Cross multiply
    71,080.07x = 98,089.31 × 39,248.15
  4. Step 4: Simplify right side
    71,080.07x = 3,849,823,559.95
  5. Step 5: Solve for x
    x = 3,849,823,559.95/71,080.07
  6. Step 6: Final answer
    x = 54,161.79

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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.