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Finding the Fourth Proportional to 73,251.34, 110,426.04 and 68,368.82

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Solution

The fourth proportional to 73,251.34, 110,426.04 and 68,368.82 is: 103,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.34 : 110,426.04 = 68,368.82 : x
  2. Step 2: Convert to fraction form
    73,251.34/110,426.04 = 68,368.82/x
  3. Step 3: Cross multiply
    73,251.34x = 110,426.04 × 68,368.82
  4. Step 4: Simplify right side
    73,251.34x = 7,549,697,499.94
  5. Step 5: Solve for x
    x = 7,549,697,499.94/73,251.34
  6. Step 6: Final answer
    x = 103,065.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.