Home / 83,880.18-115,757.84-48,077.10

Finding the Fourth Proportional to 83,880.18, 115,757.84 and 48,077.10

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Solution

The fourth proportional to 83,880.18, 115,757.84 and 48,077.10 is: 66,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.18 : 115,757.84 = 48,077.10 : x
  2. Step 2: Convert to fraction form
    83,880.18/115,757.84 = 48,077.10/x
  3. Step 3: Cross multiply
    83,880.18x = 115,757.84 × 48,077.10
  4. Step 4: Simplify right side
    83,880.18x = 5,565,301,369.66
  5. Step 5: Solve for x
    x = 5,565,301,369.66/83,880.18
  6. Step 6: Final answer
    x = 66,348.23

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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.