Home / 86,340.40-119,149.32-48,614.92

Finding the Fourth Proportional to 86,340.40, 119,149.32 and 48,614.92

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Solution

The fourth proportional to 86,340.40, 119,149.32 and 48,614.92 is: 67,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,340.40 : 119,149.32 = 48,614.92 : x
  2. Step 2: Convert to fraction form
    86,340.40/119,149.32 = 48,614.92/x
  3. Step 3: Cross multiply
    86,340.40x = 119,149.32 × 48,614.92
  4. Step 4: Simplify right side
    86,340.40x = 5,792,434,659.85
  5. Step 5: Solve for x
    x = 5,792,434,659.85/86,340.40
  6. Step 6: Final answer
    x = 67,088.35

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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.