Home / 63,780.20-88,138.06-47,836.98

Finding the Fourth Proportional to 63,780.20, 88,138.06 and 47,836.98

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Solution

The fourth proportional to 63,780.20, 88,138.06 and 47,836.98 is: 66,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.20 : 88,138.06 = 47,836.98 : x
  2. Step 2: Convert to fraction form
    63,780.20/88,138.06 = 47,836.98/x
  3. Step 3: Cross multiply
    63,780.20x = 88,138.06 × 47,836.98
  4. Step 4: Simplify right side
    63,780.20x = 4,216,258,613.46
  5. Step 5: Solve for x
    x = 4,216,258,613.46/63,780.20
  6. Step 6: Final answer
    x = 66,106.07

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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.