Home / 117,554.60-162,227.23-66,565.95

Finding the Fourth Proportional to 117,554.60, 162,227.23 and 66,565.95

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Solution

The fourth proportional to 117,554.60, 162,227.23 and 66,565.95 is: 91,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.60 : 162,227.23 = 66,565.95 : x
  2. Step 2: Convert to fraction form
    117,554.60/162,227.23 = 66,565.95/x
  3. Step 3: Cross multiply
    117,554.60x = 162,227.23 × 66,565.95
  4. Step 4: Simplify right side
    117,554.60x = 10,798,809,680.82
  5. Step 5: Solve for x
    x = 10,798,809,680.82/117,554.60
  6. Step 6: Final answer
    x = 91,862.08

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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.