Home / 82,881.04-114,378.60-45,158.80

Finding the Fourth Proportional to 82,881.04, 114,378.60 and 45,158.80

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Solution

The fourth proportional to 82,881.04, 114,378.60 and 45,158.80 is: 62,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.04 : 114,378.60 = 45,158.80 : x
  2. Step 2: Convert to fraction form
    82,881.04/114,378.60 = 45,158.80/x
  3. Step 3: Cross multiply
    82,881.04x = 114,378.60 × 45,158.80
  4. Step 4: Simplify right side
    82,881.04x = 5,165,200,321.68
  5. Step 5: Solve for x
    x = 5,165,200,321.68/82,881.04
  6. Step 6: Final answer
    x = 62,320.65

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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.