Home / 56,543.10-84,814.65-51,731.70

Finding the Fourth Proportional to 56,543.10, 84,814.65 and 51,731.70

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Solution

The fourth proportional to 56,543.10, 84,814.65 and 51,731.70 is: 77,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543.10 : 84,814.65 = 51,731.70 : x
  2. Step 2: Convert to fraction form
    56,543.10/84,814.65 = 51,731.70/x
  3. Step 3: Cross multiply
    56,543.10x = 84,814.65 × 51,731.70
  4. Step 4: Simplify right side
    56,543.10x = 4,387,606,029.41
  5. Step 5: Solve for x
    x = 4,387,606,029.41/56,543.10
  6. Step 6: Final answer
    x = 77,597.55

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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.