Home / 75,127.73-112,754.16-39,601.80

Finding the Fourth Proportional to 75,127.73, 112,754.16 and 39,601.80

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Solution

The fourth proportional to 75,127.73, 112,754.16 and 39,601.80 is: 59,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.73 : 112,754.16 = 39,601.80 : x
  2. Step 2: Convert to fraction form
    75,127.73/112,754.16 = 39,601.80/x
  3. Step 3: Cross multiply
    75,127.73x = 112,754.16 × 39,601.80
  4. Step 4: Simplify right side
    75,127.73x = 4,465,267,693.49
  5. Step 5: Solve for x
    x = 4,465,267,693.49/75,127.73
  6. Step 6: Final answer
    x = 59,435.68

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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.