Home / 56,644.77-78,167.74-31,150.92

Finding the Fourth Proportional to 56,644.77, 78,167.74 and 31,150.92

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Solution

The fourth proportional to 56,644.77, 78,167.74 and 31,150.92 is: 42,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.77 : 78,167.74 = 31,150.92 : x
  2. Step 2: Convert to fraction form
    56,644.77/78,167.74 = 31,150.92/x
  3. Step 3: Cross multiply
    56,644.77x = 78,167.74 × 31,150.92
  4. Step 4: Simplify right side
    56,644.77x = 2,434,996,937.44
  5. Step 5: Solve for x
    x = 2,434,996,937.44/56,644.77
  6. Step 6: Final answer
    x = 42,987.14

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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.