Home / 83,428.76-125,216.04-48,320.12

Finding the Fourth Proportional to 83,428.76, 125,216.04 and 48,320.12

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Solution

The fourth proportional to 83,428.76, 125,216.04 and 48,320.12 is: 72,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,428.76 : 125,216.04 = 48,320.12 : x
  2. Step 2: Convert to fraction form
    83,428.76/125,216.04 = 48,320.12/x
  3. Step 3: Cross multiply
    83,428.76x = 125,216.04 × 48,320.12
  4. Step 4: Simplify right side
    83,428.76x = 6,050,454,078.72
  5. Step 5: Solve for x
    x = 6,050,454,078.72/83,428.76
  6. Step 6: Final answer
    x = 72,522.40

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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.