Home / 75,089.34-103,445.24-52,387.11

Finding the Fourth Proportional to 75,089.34, 103,445.24 and 52,387.11

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Solution

The fourth proportional to 75,089.34, 103,445.24 and 52,387.11 is: 72,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.34 : 103,445.24 = 52,387.11 : x
  2. Step 2: Convert to fraction form
    75,089.34/103,445.24 = 52,387.11/x
  3. Step 3: Cross multiply
    75,089.34x = 103,445.24 × 52,387.11
  4. Step 4: Simplify right side
    75,089.34x = 5,419,196,904.92
  5. Step 5: Solve for x
    x = 5,419,196,904.92/75,089.34
  6. Step 6: Final answer
    x = 72,169.99

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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.