Home / 82,600.43-113,981.52-45,807.83

Finding the Fourth Proportional to 82,600.43, 113,981.52 and 45,807.83

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Solution

The fourth proportional to 82,600.43, 113,981.52 and 45,807.83 is: 63,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.43 : 113,981.52 = 45,807.83 : x
  2. Step 2: Convert to fraction form
    82,600.43/113,981.52 = 45,807.83/x
  3. Step 3: Cross multiply
    82,600.43x = 113,981.52 × 45,807.83
  4. Step 4: Simplify right side
    82,600.43x = 5,221,245,521.39
  5. Step 5: Solve for x
    x = 5,221,245,521.39/82,600.43
  6. Step 6: Final answer
    x = 63,210.88

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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.