Home / 56,282.63-77,672.46-31,132.13

Finding the Fourth Proportional to 56,282.63, 77,672.46 and 31,132.13

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Solution

The fourth proportional to 56,282.63, 77,672.46 and 31,132.13 is: 42,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282.63 : 77,672.46 = 31,132.13 : x
  2. Step 2: Convert to fraction form
    56,282.63/77,672.46 = 31,132.13/x
  3. Step 3: Cross multiply
    56,282.63x = 77,672.46 × 31,132.13
  4. Step 4: Simplify right side
    56,282.63x = 2,418,108,733.78
  5. Step 5: Solve for x
    x = 2,418,108,733.78/56,282.63
  6. Step 6: Final answer
    x = 42,963.68

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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.