Home / 56,614.66-78,126.33-31,463.62

Finding the Fourth Proportional to 56,614.66, 78,126.33 and 31,463.62

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Solution

The fourth proportional to 56,614.66, 78,126.33 and 31,463.62 is: 43,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.66 : 78,126.33 = 31,463.62 : x
  2. Step 2: Convert to fraction form
    56,614.66/78,126.33 = 31,463.62/x
  3. Step 3: Cross multiply
    56,614.66x = 78,126.33 × 31,463.62
  4. Step 4: Simplify right side
    56,614.66x = 2,458,137,159.11
  5. Step 5: Solve for x
    x = 2,458,137,159.11/56,614.66
  6. Step 6: Final answer
    x = 43,418.74

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1.5x scale

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.