Home / 87,990.30-132,051.06-35,400.24

Finding the Fourth Proportional to 87,990.30, 132,051.06 and 35,400.24

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Solution

The fourth proportional to 87,990.30, 132,051.06 and 35,400.24 is: 53,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,990.30 : 132,051.06 = 35,400.24 : x
  2. Step 2: Convert to fraction form
    87,990.30/132,051.06 = 35,400.24/x
  3. Step 3: Cross multiply
    87,990.30x = 132,051.06 × 35,400.24
  4. Step 4: Simplify right side
    87,990.30x = 4,674,639,216.25
  5. Step 5: Solve for x
    x = 4,674,639,216.25/87,990.30
  6. Step 6: Final answer
    x = 53,126.76

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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.