Home / 87,629.80-131,444.70-64,301.80

Finding the Fourth Proportional to 87,629.80, 131,444.70 and 64,301.80

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Solution

The fourth proportional to 87,629.80, 131,444.70 and 64,301.80 is: 96,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,629.80 : 131,444.70 = 64,301.80 : x
  2. Step 2: Convert to fraction form
    87,629.80/131,444.70 = 64,301.80/x
  3. Step 3: Cross multiply
    87,629.80x = 131,444.70 × 64,301.80
  4. Step 4: Simplify right side
    87,629.80x = 8,452,130,810.46
  5. Step 5: Solve for x
    x = 8,452,130,810.46/87,629.80
  6. Step 6: Final answer
    x = 96,452.70

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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.