Home / 87,001.15-120,055.90-51,184.24

Finding the Fourth Proportional to 87,001.15, 120,055.90 and 51,184.24

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Solution

The fourth proportional to 87,001.15, 120,055.90 and 51,184.24 is: 70,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.15 : 120,055.90 = 51,184.24 : x
  2. Step 2: Convert to fraction form
    87,001.15/120,055.90 = 51,184.24/x
  3. Step 3: Cross multiply
    87,001.15x = 120,055.90 × 51,184.24
  4. Step 4: Simplify right side
    87,001.15x = 6,144,969,999.02
  5. Step 5: Solve for x
    x = 6,144,969,999.02/87,001.15
  6. Step 6: Final answer
    x = 70,630.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.