Home / 71,974.89-99,345.12-41,769.95

Finding the Fourth Proportional to 71,974.89, 99,345.12 and 41,769.95

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Solution

The fourth proportional to 71,974.89, 99,345.12 and 41,769.95 is: 57,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.89 : 99,345.12 = 41,769.95 : x
  2. Step 2: Convert to fraction form
    71,974.89/99,345.12 = 41,769.95/x
  3. Step 3: Cross multiply
    71,974.89x = 99,345.12 × 41,769.95
  4. Step 4: Simplify right side
    71,974.89x = 4,149,640,041.78
  5. Step 5: Solve for x
    x = 4,149,640,041.78/71,974.89
  6. Step 6: Final answer
    x = 57,654.00

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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.