Home / 87,246.04-130,610.71-53,858.76

Finding the Fourth Proportional to 87,246.04, 130,610.71 and 53,858.76

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Solution

The fourth proportional to 87,246.04, 130,610.71 and 53,858.76 is: 80,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.04 : 130,610.71 = 53,858.76 : x
  2. Step 2: Convert to fraction form
    87,246.04/130,610.71 = 53,858.76/x
  3. Step 3: Cross multiply
    87,246.04x = 130,610.71 × 53,858.76
  4. Step 4: Simplify right side
    87,246.04x = 7,034,530,883.32
  5. Step 5: Solve for x
    x = 7,034,530,883.32/87,246.04
  6. Step 6: Final answer
    x = 80,628.66

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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.