Home / 86,332.40-119,138.28-48,606.92

Finding the Fourth Proportional to 86,332.40, 119,138.28 and 48,606.92

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Solution

The fourth proportional to 86,332.40, 119,138.28 and 48,606.92 is: 67,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,332.40 : 119,138.28 = 48,606.92 : x
  2. Step 2: Convert to fraction form
    86,332.40/119,138.28 = 48,606.92/x
  3. Step 3: Cross multiply
    86,332.40x = 119,138.28 × 48,606.92
  4. Step 4: Simplify right side
    86,332.40x = 5,790,944,844.90
  5. Step 5: Solve for x
    x = 5,790,944,844.90/86,332.40
  6. Step 6: Final answer
    x = 67,077.31

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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.