Home / 83,655.80-115,439.82-45,922.04

Finding the Fourth Proportional to 83,655.80, 115,439.82 and 45,922.04

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Solution

The fourth proportional to 83,655.80, 115,439.82 and 45,922.04 is: 63,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,655.80 : 115,439.82 = 45,922.04 : x
  2. Step 2: Convert to fraction form
    83,655.80/115,439.82 = 45,922.04/x
  3. Step 3: Cross multiply
    83,655.80x = 115,439.82 × 45,922.04
  4. Step 4: Simplify right side
    83,655.80x = 5,301,232,031.63
  5. Step 5: Solve for x
    x = 5,301,232,031.63/83,655.80
  6. Step 6: Final answer
    x = 63,369.57

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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.