Home / 67,541.82-101,312.76-17,621.88

Finding the Fourth Proportional to 67,541.82, 101,312.76 and 17,621.88

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Solution

The fourth proportional to 67,541.82, 101,312.76 and 17,621.88 is: 26,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,541.82 : 101,312.76 = 17,621.88 : x
  2. Step 2: Convert to fraction form
    67,541.82/101,312.76 = 17,621.88/x
  3. Step 3: Cross multiply
    67,541.82x = 101,312.76 × 17,621.88
  4. Step 4: Simplify right side
    67,541.82x = 1,785,321,299.19
  5. Step 5: Solve for x
    x = 1,785,321,299.19/67,541.82
  6. Step 6: Final answer
    x = 26,432.83

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1.5x scale

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.