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Finding the Fourth Proportional to 67,001.34, 99,993.12 and 64,288.77

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Solution

The fourth proportional to 67,001.34, 99,993.12 and 64,288.77 is: 95,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.34 : 99,993.12 = 64,288.77 : x
  2. Step 2: Convert to fraction form
    67,001.34/99,993.12 = 64,288.77/x
  3. Step 3: Cross multiply
    67,001.34x = 99,993.12 × 64,288.77
  4. Step 4: Simplify right side
    67,001.34x = 6,428,434,693.26
  5. Step 5: Solve for x
    x = 6,428,434,693.26/67,001.34
  6. Step 6: Final answer
    x = 95,944.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.