Home / 88,276.16-121,819.67-47,990.93

Finding the Fourth Proportional to 88,276.16, 121,819.67 and 47,990.93

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Solution

The fourth proportional to 88,276.16, 121,819.67 and 47,990.93 is: 66,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.16 : 121,819.67 = 47,990.93 : x
  2. Step 2: Convert to fraction form
    88,276.16/121,819.67 = 47,990.93/x
  3. Step 3: Cross multiply
    88,276.16x = 121,819.67 × 47,990.93
  4. Step 4: Simplify right side
    88,276.16x = 5,846,239,135.62
  5. Step 5: Solve for x
    x = 5,846,239,135.62/88,276.16
  6. Step 6: Final answer
    x = 66,226.70

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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.