Home / 52,407.10-78,610.65-36,660.70

Finding the Fourth Proportional to 52,407.10, 78,610.65 and 36,660.70

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Solution

The fourth proportional to 52,407.10, 78,610.65 and 36,660.70 is: 54,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.10 : 78,610.65 = 36,660.70 : x
  2. Step 2: Convert to fraction form
    52,407.10/78,610.65 = 36,660.70/x
  3. Step 3: Cross multiply
    52,407.10x = 78,610.65 × 36,660.70
  4. Step 4: Simplify right side
    52,407.10x = 2,881,921,456.46
  5. Step 5: Solve for x
    x = 2,881,921,456.46/52,407.10
  6. Step 6: Final answer
    x = 54,991.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.