Home / 82,929.60-114,442.56-45,203.85

Finding the Fourth Proportional to 82,929.60, 114,442.56 and 45,203.85

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Solution

The fourth proportional to 82,929.60, 114,442.56 and 45,203.85 is: 62,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.60 : 114,442.56 = 45,203.85 : x
  2. Step 2: Convert to fraction form
    82,929.60/114,442.56 = 45,203.85/x
  3. Step 3: Cross multiply
    82,929.60x = 114,442.56 × 45,203.85
  4. Step 4: Simplify right side
    82,929.60x = 5,173,244,315.86
  5. Step 5: Solve for x
    x = 5,173,244,315.86/82,929.60
  6. Step 6: Final answer
    x = 62,381.16

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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.