Home / 87,619.60-131,429.40-57,552.40

Finding the Fourth Proportional to 87,619.60, 131,429.40 and 57,552.40

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Solution

The fourth proportional to 87,619.60, 131,429.40 and 57,552.40 is: 86,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.60 : 131,429.40 = 57,552.40 : x
  2. Step 2: Convert to fraction form
    87,619.60/131,429.40 = 57,552.40/x
  3. Step 3: Cross multiply
    87,619.60x = 131,429.40 × 57,552.40
  4. Step 4: Simplify right side
    87,619.60x = 7,564,077,400.56
  5. Step 5: Solve for x
    x = 7,564,077,400.56/87,619.60
  6. Step 6: Final answer
    x = 86,328.60

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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.