Home / 67,579.17-101,117.66-42,502.11

Finding the Fourth Proportional to 67,579.17, 101,117.66 and 42,502.11

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Solution

The fourth proportional to 67,579.17, 101,117.66 and 42,502.11 is: 63,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,579.17 : 101,117.66 = 42,502.11 : x
  2. Step 2: Convert to fraction form
    67,579.17/101,117.66 = 42,502.11/x
  3. Step 3: Cross multiply
    67,579.17x = 101,117.66 × 42,502.11
  4. Step 4: Simplify right side
    67,579.17x = 4,297,713,695.75
  5. Step 5: Solve for x
    x = 4,297,713,695.75/67,579.17
  6. Step 6: Final answer
    x = 63,595.24

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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.