Home / 83,550.08-115,306.39-45,831.62

Finding the Fourth Proportional to 83,550.08, 115,306.39 and 45,831.62

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Solution

The fourth proportional to 83,550.08, 115,306.39 and 45,831.62 is: 63,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,550.08 : 115,306.39 = 45,831.62 : x
  2. Step 2: Convert to fraction form
    83,550.08/115,306.39 = 45,831.62/x
  3. Step 3: Cross multiply
    83,550.08x = 115,306.39 × 45,831.62
  4. Step 4: Simplify right side
    83,550.08x = 5,284,678,130.81
  5. Step 5: Solve for x
    x = 5,284,678,130.81/83,550.08
  6. Step 6: Final answer
    x = 63,251.63

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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.