Home / 56,425.01-77,812.85-42,972.53

Finding the Fourth Proportional to 56,425.01, 77,812.85 and 42,972.53

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Solution

The fourth proportional to 56,425.01, 77,812.85 and 42,972.53 is: 59,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.01 : 77,812.85 = 42,972.53 : x
  2. Step 2: Convert to fraction form
    56,425.01/77,812.85 = 42,972.53/x
  3. Step 3: Cross multiply
    56,425.01x = 77,812.85 × 42,972.53
  4. Step 4: Simplify right side
    56,425.01x = 3,343,814,749.38
  5. Step 5: Solve for x
    x = 3,343,814,749.38/56,425.01
  6. Step 6: Final answer
    x = 59,261.22

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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.