Home / 83,521.12-125,217.36-27,327.16

Finding the Fourth Proportional to 83,521.12, 125,217.36 and 27,327.16

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Solution

The fourth proportional to 83,521.12, 125,217.36 and 27,327.16 is: 40,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.12 : 125,217.36 = 27,327.16 : x
  2. Step 2: Convert to fraction form
    83,521.12/125,217.36 = 27,327.16/x
  3. Step 3: Cross multiply
    83,521.12x = 125,217.36 × 27,327.16
  4. Step 4: Simplify right side
    83,521.12x = 3,421,834,831.50
  5. Step 5: Solve for x
    x = 3,421,834,831.50/83,521.12
  6. Step 6: Final answer
    x = 40,969.70

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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.