Home / 56,184.72-77,533.36-30,691.76

Finding the Fourth Proportional to 56,184.72, 77,533.36 and 30,691.76

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Solution

The fourth proportional to 56,184.72, 77,533.36 and 30,691.76 is: 42,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.72 : 77,533.36 = 30,691.76 : x
  2. Step 2: Convert to fraction form
    56,184.72/77,533.36 = 30,691.76/x
  3. Step 3: Cross multiply
    56,184.72x = 77,533.36 × 30,691.76
  4. Step 4: Simplify right side
    56,184.72x = 2,379,635,277.11
  5. Step 5: Solve for x
    x = 2,379,635,277.11/56,184.72
  6. Step 6: Final answer
    x = 42,353.78

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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.