Home / 55,117.20-76,059.64-29,966.72

Finding the Fourth Proportional to 55,117.20, 76,059.64 and 29,966.72

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Solution

The fourth proportional to 55,117.20, 76,059.64 and 29,966.72 is: 41,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.20 : 76,059.64 = 29,966.72 : x
  2. Step 2: Convert to fraction form
    55,117.20/76,059.64 = 29,966.72/x
  3. Step 3: Cross multiply
    55,117.20x = 76,059.64 × 29,966.72
  4. Step 4: Simplify right side
    55,117.20x = 2,279,257,935.18
  5. Step 5: Solve for x
    x = 2,279,257,935.18/55,117.20
  6. Step 6: Final answer
    x = 41,352.93

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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.