Home / 58,125.13-80,236.79-39,287.77

Finding the Fourth Proportional to 58,125.13, 80,236.79 and 39,287.77

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Solution

The fourth proportional to 58,125.13, 80,236.79 and 39,287.77 is: 54,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,125.13 : 80,236.79 = 39,287.77 : x
  2. Step 2: Convert to fraction form
    58,125.13/80,236.79 = 39,287.77/x
  3. Step 3: Cross multiply
    58,125.13x = 80,236.79 × 39,287.77
  4. Step 4: Simplify right side
    58,125.13x = 3,152,324,354.62
  5. Step 5: Solve for x
    x = 3,152,324,354.62/58,125.13
  6. Step 6: Final answer
    x = 54,233.42

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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.