Home / 84,656.18-116,801.88-66,695.52

Finding the Fourth Proportional to 84,656.18, 116,801.88 and 66,695.52

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Solution

The fourth proportional to 84,656.18, 116,801.88 and 66,695.52 is: 92,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.18 : 116,801.88 = 66,695.52 : x
  2. Step 2: Convert to fraction form
    84,656.18/116,801.88 = 66,695.52/x
  3. Step 3: Cross multiply
    84,656.18x = 116,801.88 × 66,695.52
  4. Step 4: Simplify right side
    84,656.18x = 7,790,162,123.58
  5. Step 5: Solve for x
    x = 7,790,162,123.58/84,656.18
  6. Step 6: Final answer
    x = 92,021.19

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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.