Home / 67,715.08-101,638.14-32,679.40

Finding the Fourth Proportional to 67,715.08, 101,638.14 and 32,679.40

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Solution

The fourth proportional to 67,715.08, 101,638.14 and 32,679.40 is: 49,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.08 : 101,638.14 = 32,679.40 : x
  2. Step 2: Convert to fraction form
    67,715.08/101,638.14 = 32,679.40/x
  3. Step 3: Cross multiply
    67,715.08x = 101,638.14 × 32,679.40
  4. Step 4: Simplify right side
    67,715.08x = 3,321,473,432.32
  5. Step 5: Solve for x
    x = 3,321,473,432.32/67,715.08
  6. Step 6: Final answer
    x = 49,050.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.