Home / 83,435.85-115,140.78-45,194.52

Finding the Fourth Proportional to 83,435.85, 115,140.78 and 45,194.52

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Solution

The fourth proportional to 83,435.85, 115,140.78 and 45,194.52 is: 62,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.85 : 115,140.78 = 45,194.52 : x
  2. Step 2: Convert to fraction form
    83,435.85/115,140.78 = 45,194.52/x
  3. Step 3: Cross multiply
    83,435.85x = 115,140.78 × 45,194.52
  4. Step 4: Simplify right side
    83,435.85x = 5,203,732,284.53
  5. Step 5: Solve for x
    x = 5,203,732,284.53/83,435.85
  6. Step 6: Final answer
    x = 62,368.06

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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.