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Finding the Fourth Proportional to 72,292.95, 108,281.49 and 30,044.94

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Solution

The fourth proportional to 72,292.95, 108,281.49 and 30,044.94 is: 45,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.95 : 108,281.49 = 30,044.94 : x
  2. Step 2: Convert to fraction form
    72,292.95/108,281.49 = 30,044.94/x
  3. Step 3: Cross multiply
    72,292.95x = 108,281.49 × 30,044.94
  4. Step 4: Simplify right side
    72,292.95x = 3,253,310,870.16
  5. Step 5: Solve for x
    x = 3,253,310,870.16/72,292.95
  6. Step 6: Final answer
    x = 45,001.77

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1.5x scale

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.