Home / 71,435.72-98,575.92-39,165.19

Finding the Fourth Proportional to 71,435.72, 98,575.92 and 39,165.19

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Solution

The fourth proportional to 71,435.72, 98,575.92 and 39,165.19 is: 54,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,435.72 : 98,575.92 = 39,165.19 : x
  2. Step 2: Convert to fraction form
    71,435.72/98,575.92 = 39,165.19/x
  3. Step 3: Cross multiply
    71,435.72x = 98,575.92 × 39,165.19
  4. Step 4: Simplify right side
    71,435.72x = 3,860,744,389.79
  5. Step 5: Solve for x
    x = 3,860,744,389.79/71,435.72
  6. Step 6: Final answer
    x = 54,045.01

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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.