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Finding the Fourth Proportional to 73,952.42, 102,103.20 and 56,926.62

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Solution

The fourth proportional to 73,952.42, 102,103.20 and 56,926.62 is: 78,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952.42 : 102,103.20 = 56,926.62 : x
  2. Step 2: Convert to fraction form
    73,952.42/102,103.20 = 56,926.62/x
  3. Step 3: Cross multiply
    73,952.42x = 102,103.20 × 56,926.62
  4. Step 4: Simplify right side
    73,952.42x = 5,812,390,067.18
  5. Step 5: Solve for x
    x = 5,812,390,067.18/73,952.42
  6. Step 6: Final answer
    x = 78,596.35

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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.