Home / 71,080.08-98,087.93-39,248.29

Finding the Fourth Proportional to 71,080.08, 98,087.93 and 39,248.29

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Solution

The fourth proportional to 71,080.08, 98,087.93 and 39,248.29 is: 54,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080.08 : 98,087.93 = 39,248.29 : x
  2. Step 2: Convert to fraction form
    71,080.08/98,087.93 = 39,248.29/x
  3. Step 3: Cross multiply
    71,080.08x = 98,087.93 × 39,248.29
  4. Step 4: Simplify right side
    71,080.08x = 3,849,783,522.14
  5. Step 5: Solve for x
    x = 3,849,783,522.14/71,080.08
  6. Step 6: Final answer
    x = 54,161.22

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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.