Home / 56,255.76-77,632.84-31,105.24

Finding the Fourth Proportional to 56,255.76, 77,632.84 and 31,105.24

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Solution

The fourth proportional to 56,255.76, 77,632.84 and 31,105.24 is: 42,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,255.76 : 77,632.84 = 31,105.24 : x
  2. Step 2: Convert to fraction form
    56,255.76/77,632.84 = 31,105.24/x
  3. Step 3: Cross multiply
    56,255.76x = 77,632.84 × 31,105.24
  4. Step 4: Simplify right side
    56,255.76x = 2,414,788,120.08
  5. Step 5: Solve for x
    x = 2,414,788,120.08/56,255.76
  6. Step 6: Final answer
    x = 42,925.17

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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.