Home / 83,602.26-115,372.53-45,880.02

Finding the Fourth Proportional to 83,602.26, 115,372.53 and 45,880.02

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Solution

The fourth proportional to 83,602.26, 115,372.53 and 45,880.02 is: 63,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,602.26 : 115,372.53 = 45,880.02 : x
  2. Step 2: Convert to fraction form
    83,602.26/115,372.53 = 45,880.02/x
  3. Step 3: Cross multiply
    83,602.26x = 115,372.53 × 45,880.02
  4. Step 4: Simplify right side
    83,602.26x = 5,293,293,983.85
  5. Step 5: Solve for x
    x = 5,293,293,983.85/83,602.26
  6. Step 6: Final answer
    x = 63,315.20

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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.