Home / 56,152.44-77,487.66-30,659.76

Finding the Fourth Proportional to 56,152.44, 77,487.66 and 30,659.76

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Solution

The fourth proportional to 56,152.44, 77,487.66 and 30,659.76 is: 42,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,152.44 : 77,487.66 = 30,659.76 : x
  2. Step 2: Convert to fraction form
    56,152.44/77,487.66 = 30,659.76/x
  3. Step 3: Cross multiply
    56,152.44x = 77,487.66 × 30,659.76
  4. Step 4: Simplify right side
    56,152.44x = 2,375,753,058.56
  5. Step 5: Solve for x
    x = 2,375,753,058.56/56,152.44
  6. Step 6: Final answer
    x = 42,308.99

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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.