Home / 84,078.24-116,033.76-48,278.40

Finding the Fourth Proportional to 84,078.24, 116,033.76 and 48,278.40

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Solution

The fourth proportional to 84,078.24, 116,033.76 and 48,278.40 is: 66,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,078.24 : 116,033.76 = 48,278.40 : x
  2. Step 2: Convert to fraction form
    84,078.24/116,033.76 = 48,278.40/x
  3. Step 3: Cross multiply
    84,078.24x = 116,033.76 × 48,278.40
  4. Step 4: Simplify right side
    84,078.24x = 5,601,924,278.78
  5. Step 5: Solve for x
    x = 5,601,924,278.78/84,078.24
  6. Step 6: Final answer
    x = 66,627.52

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1.5x scale

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.