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Finding the Fourth Proportional to 72,056, 108,008.66 and 24,655.18

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Solution

The fourth proportional to 72,056, 108,008.66 and 24,655.18 is: 36,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,056 : 108,008.66 = 24,655.18 : x
  2. Step 2: Convert to fraction form
    72,056/108,008.66 = 24,655.18/x
  3. Step 3: Cross multiply
    72,056x = 108,008.66 × 24,655.18
  4. Step 4: Simplify right side
    72,056x = 2,662,972,953.86
  5. Step 5: Solve for x
    x = 2,662,972,953.86/72,056
  6. Step 6: Final answer
    x = 36,956.99

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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.