Home / 69,886.40-96,452.17-39,681.70

Finding the Fourth Proportional to 69,886.40, 96,452.17 and 39,681.70

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Solution

The fourth proportional to 69,886.40, 96,452.17 and 39,681.70 is: 54,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,886.40 : 96,452.17 = 39,681.70 : x
  2. Step 2: Convert to fraction form
    69,886.40/96,452.17 = 39,681.70/x
  3. Step 3: Cross multiply
    69,886.40x = 96,452.17 × 39,681.70
  4. Step 4: Simplify right side
    69,886.40x = 3,827,385,733.95
  5. Step 5: Solve for x
    x = 3,827,385,733.95/69,886.40
  6. Step 6: Final answer
    x = 54,765.82

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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.