Home / 87,233.60-120,428.08-58,703.27

Finding the Fourth Proportional to 87,233.60, 120,428.08 and 58,703.27

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Solution

The fourth proportional to 87,233.60, 120,428.08 and 58,703.27 is: 81,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.60 : 120,428.08 = 58,703.27 : x
  2. Step 2: Convert to fraction form
    87,233.60/120,428.08 = 58,703.27/x
  3. Step 3: Cross multiply
    87,233.60x = 120,428.08 × 58,703.27
  4. Step 4: Simplify right side
    87,233.60x = 7,069,522,095.82
  5. Step 5: Solve for x
    x = 7,069,522,095.82/87,233.60
  6. Step 6: Final answer
    x = 81,041.27

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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.