Home / 87,124.02-120,273.39-58,433.22

Finding the Fourth Proportional to 87,124.02, 120,273.39 and 58,433.22

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Solution

The fourth proportional to 87,124.02, 120,273.39 and 58,433.22 is: 80,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.02 : 120,273.39 = 58,433.22 : x
  2. Step 2: Convert to fraction form
    87,124.02/120,273.39 = 58,433.22/x
  3. Step 3: Cross multiply
    87,124.02x = 120,273.39 × 58,433.22
  4. Step 4: Simplify right side
    87,124.02x = 7,027,961,458.02
  5. Step 5: Solve for x
    x = 7,027,961,458.02/87,124.02
  6. Step 6: Final answer
    x = 80,666.18

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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.