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Finding the Fourth Proportional to 67,616.10, 101,510.55 and 36,051.30

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Solution

The fourth proportional to 67,616.10, 101,510.55 and 36,051.30 is: 54,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.10 : 101,510.55 = 36,051.30 : x
  2. Step 2: Convert to fraction form
    67,616.10/101,510.55 = 36,051.30/x
  3. Step 3: Cross multiply
    67,616.10x = 101,510.55 × 36,051.30
  4. Step 4: Simplify right side
    67,616.10x = 3,659,587,291.22
  5. Step 5: Solve for x
    x = 3,659,587,291.22/67,616.10
  6. Step 6: Final answer
    x = 54,123.02

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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.