Home / 83,116.08-114,622.31-66,176.24

Finding the Fourth Proportional to 83,116.08, 114,622.31 and 66,176.24

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Solution

The fourth proportional to 83,116.08, 114,622.31 and 66,176.24 is: 91,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,116.08 : 114,622.31 = 66,176.24 : x
  2. Step 2: Convert to fraction form
    83,116.08/114,622.31 = 66,176.24/x
  3. Step 3: Cross multiply
    83,116.08x = 114,622.31 × 66,176.24
  4. Step 4: Simplify right side
    83,116.08x = 7,585,273,088.24
  5. Step 5: Solve for x
    x = 7,585,273,088.24/83,116.08
  6. Step 6: Final answer
    x = 91,261.20

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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.