Home / 83,361.04-115,047.48-47,559.88

Finding the Fourth Proportional to 83,361.04, 115,047.48 and 47,559.88

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Solution

The fourth proportional to 83,361.04, 115,047.48 and 47,559.88 is: 65,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,361.04 : 115,047.48 = 47,559.88 : x
  2. Step 2: Convert to fraction form
    83,361.04/115,047.48 = 47,559.88/x
  3. Step 3: Cross multiply
    83,361.04x = 115,047.48 × 47,559.88
  4. Step 4: Simplify right side
    83,361.04x = 5,471,644,343.10
  5. Step 5: Solve for x
    x = 5,471,644,343.10/83,361.04
  6. Step 6: Final answer
    x = 65,637.91

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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.