Home / 63,855.40-88,089.96-49,610.76

Finding the Fourth Proportional to 63,855.40, 88,089.96 and 49,610.76

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Solution

The fourth proportional to 63,855.40, 88,089.96 and 49,610.76 is: 68,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,855.40 : 88,089.96 = 49,610.76 : x
  2. Step 2: Convert to fraction form
    63,855.40/88,089.96 = 49,610.76/x
  3. Step 3: Cross multiply
    63,855.40x = 88,089.96 × 49,610.76
  4. Step 4: Simplify right side
    63,855.40x = 4,370,209,863.97
  5. Step 5: Solve for x
    x = 4,370,209,863.97/63,855.40
  6. Step 6: Final answer
    x = 68,439.16

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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.