Home / 56,227.28-77,590.76-31,071.92

Finding the Fourth Proportional to 56,227.28, 77,590.76 and 31,071.92

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Solution

The fourth proportional to 56,227.28, 77,590.76 and 31,071.92 is: 42,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,227.28 : 77,590.76 = 31,071.92 : x
  2. Step 2: Convert to fraction form
    56,227.28/77,590.76 = 31,071.92/x
  3. Step 3: Cross multiply
    56,227.28x = 77,590.76 × 31,071.92
  4. Step 4: Simplify right side
    56,227.28x = 2,410,893,887.46
  5. Step 5: Solve for x
    x = 2,410,893,887.46/56,227.28
  6. Step 6: Final answer
    x = 42,877.65

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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.