Home / 101,577.13-140,165.78-56,253.92

Finding the Fourth Proportional to 101,577.13, 140,165.78 and 56,253.92

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Solution

The fourth proportional to 101,577.13, 140,165.78 and 56,253.92 is: 77,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,577.13 : 140,165.78 = 56,253.92 : x
  2. Step 2: Convert to fraction form
    101,577.13/140,165.78 = 56,253.92/x
  3. Step 3: Cross multiply
    101,577.13x = 140,165.78 × 56,253.92
  4. Step 4: Simplify right side
    101,577.13x = 7,884,873,592.76
  5. Step 5: Solve for x
    x = 7,884,873,592.76/101,577.13
  6. Step 6: Final answer
    x = 77,624.50

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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.