Home / 109,713.29-151,404.26-59,412.29

Finding the Fourth Proportional to 109,713.29, 151,404.26 and 59,412.29

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Solution

The fourth proportional to 109,713.29, 151,404.26 and 59,412.29 is: 81,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.29 : 151,404.26 = 59,412.29 : x
  2. Step 2: Convert to fraction form
    109,713.29/151,404.26 = 59,412.29/x
  3. Step 3: Cross multiply
    109,713.29x = 151,404.26 × 59,412.29
  4. Step 4: Simplify right side
    109,713.29x = 8,995,272,748.27
  5. Step 5: Solve for x
    x = 8,995,272,748.27/109,713.29
  6. Step 6: Final answer
    x = 81,988.91

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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.