Home / 63,565.68-87,720.60-34,885.50

Finding the Fourth Proportional to 63,565.68, 87,720.60 and 34,885.50

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Solution

The fourth proportional to 63,565.68, 87,720.60 and 34,885.50 is: 48,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.68 : 87,720.60 = 34,885.50 : x
  2. Step 2: Convert to fraction form
    63,565.68/87,720.60 = 34,885.50/x
  3. Step 3: Cross multiply
    63,565.68x = 87,720.60 × 34,885.50
  4. Step 4: Simplify right side
    63,565.68x = 3,060,176,991.30
  5. Step 5: Solve for x
    x = 3,060,176,991.30/63,565.68
  6. Step 6: Final answer
    x = 48,141.97

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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.