Home / 71,947.01-99,287.44-40,117.95

Finding the Fourth Proportional to 71,947.01, 99,287.44 and 40,117.95

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Solution

The fourth proportional to 71,947.01, 99,287.44 and 40,117.95 is: 55,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,947.01 : 99,287.44 = 40,117.95 : x
  2. Step 2: Convert to fraction form
    71,947.01/99,287.44 = 40,117.95/x
  3. Step 3: Cross multiply
    71,947.01x = 99,287.44 × 40,117.95
  4. Step 4: Simplify right side
    71,947.01x = 3,983,208,453.25
  5. Step 5: Solve for x
    x = 3,983,208,453.25/71,947.01
  6. Step 6: Final answer
    x = 55,363.08

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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.