Home / 99,025.20-136,652.88-56,003.92

Finding the Fourth Proportional to 99,025.20, 136,652.88 and 56,003.92

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Solution

The fourth proportional to 99,025.20, 136,652.88 and 56,003.92 is: 77,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,025.20 : 136,652.88 = 56,003.92 : x
  2. Step 2: Convert to fraction form
    99,025.20/136,652.88 = 56,003.92/x
  3. Step 3: Cross multiply
    99,025.20x = 136,652.88 × 56,003.92
  4. Step 4: Simplify right side
    99,025.20x = 7,653,096,959.29
  5. Step 5: Solve for x
    x = 7,653,096,959.29/99,025.20
  6. Step 6: Final answer
    x = 77,284.34

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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.