Home / 84,688.92-127,049.85-25,521.66

Finding the Fourth Proportional to 84,688.92, 127,049.85 and 25,521.66

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Solution

The fourth proportional to 84,688.92, 127,049.85 and 25,521.66 is: 38,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.92 : 127,049.85 = 25,521.66 : x
  2. Step 2: Convert to fraction form
    84,688.92/127,049.85 = 25,521.66/x
  3. Step 3: Cross multiply
    84,688.92x = 127,049.85 × 25,521.66
  4. Step 4: Simplify right side
    84,688.92x = 3,242,523,074.75
  5. Step 5: Solve for x
    x = 3,242,523,074.75/84,688.92
  6. Step 6: Final answer
    x = 38,287.45

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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.