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Finding the Fourth Proportional to 88,366.80, 121,946.13 and 48,080.52

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Solution

The fourth proportional to 88,366.80, 121,946.13 and 48,080.52 is: 66,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,366.80 : 121,946.13 = 48,080.52 : x
  2. Step 2: Convert to fraction form
    88,366.80/121,946.13 = 48,080.52/x
  3. Step 3: Cross multiply
    88,366.80x = 121,946.13 × 48,080.52
  4. Step 4: Simplify right side
    88,366.80x = 5,863,233,342.39
  5. Step 5: Solve for x
    x = 5,863,233,342.39/88,366.80
  6. Step 6: Final answer
    x = 66,351.09

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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.