Home / 71,722.20-98,908.70-45,888.92

Finding the Fourth Proportional to 71,722.20, 98,908.70 and 45,888.92

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Solution

The fourth proportional to 71,722.20, 98,908.70 and 45,888.92 is: 63,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,722.20 : 98,908.70 = 45,888.92 : x
  2. Step 2: Convert to fraction form
    71,722.20/98,908.70 = 45,888.92/x
  3. Step 3: Cross multiply
    71,722.20x = 98,908.70 × 45,888.92
  4. Step 4: Simplify right side
    71,722.20x = 4,538,812,697.62
  5. Step 5: Solve for x
    x = 4,538,812,697.62/71,722.20
  6. Step 6: Final answer
    x = 63,283.23

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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.