Home / 56,560.68-78,072.03-40,691.25

Finding the Fourth Proportional to 56,560.68, 78,072.03 and 40,691.25

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Solution

The fourth proportional to 56,560.68, 78,072.03 and 40,691.25 is: 56,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.68 : 78,072.03 = 40,691.25 : x
  2. Step 2: Convert to fraction form
    56,560.68/78,072.03 = 40,691.25/x
  3. Step 3: Cross multiply
    56,560.68x = 78,072.03 × 40,691.25
  4. Step 4: Simplify right side
    56,560.68x = 3,176,848,490.74
  5. Step 5: Solve for x
    x = 3,176,848,490.74/56,560.68
  6. Step 6: Final answer
    x = 56,167.08

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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.