Home / 56,721.15-85,061.89-16,729.52

Finding the Fourth Proportional to 56,721.15, 85,061.89 and 16,729.52

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Solution

The fourth proportional to 56,721.15, 85,061.89 and 16,729.52 is: 25,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.15 : 85,061.89 = 16,729.52 : x
  2. Step 2: Convert to fraction form
    56,721.15/85,061.89 = 16,729.52/x
  3. Step 3: Cross multiply
    56,721.15x = 85,061.89 × 16,729.52
  4. Step 4: Simplify right side
    56,721.15x = 1,423,044,589.99
  5. Step 5: Solve for x
    x = 1,423,044,589.99/56,721.15
  6. Step 6: Final answer
    x = 25,088.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.