Home / 86,831.87-119,833.02-48,591.08

Finding the Fourth Proportional to 86,831.87, 119,833.02 and 48,591.08

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Solution

The fourth proportional to 86,831.87, 119,833.02 and 48,591.08 is: 67,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831.87 : 119,833.02 = 48,591.08 : x
  2. Step 2: Convert to fraction form
    86,831.87/119,833.02 = 48,591.08/x
  3. Step 3: Cross multiply
    86,831.87x = 119,833.02 × 48,591.08
  4. Step 4: Simplify right side
    86,831.87x = 5,822,815,711.67
  5. Step 5: Solve for x
    x = 5,822,815,711.67/86,831.87
  6. Step 6: Final answer
    x = 67,058.51

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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.