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Finding the Fourth Proportional to 73,877.12, 101,950.80 and 40,343.12

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Solution

The fourth proportional to 73,877.12, 101,950.80 and 40,343.12 is: 55,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,877.12 : 101,950.80 = 40,343.12 : x
  2. Step 2: Convert to fraction form
    73,877.12/101,950.80 = 40,343.12/x
  3. Step 3: Cross multiply
    73,877.12x = 101,950.80 × 40,343.12
  4. Step 4: Simplify right side
    73,877.12x = 4,113,013,358.50
  5. Step 5: Solve for x
    x = 4,113,013,358.50/73,877.12
  6. Step 6: Final answer
    x = 55,673.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.