Home / 68,759.82-94,890.24-38,543.76

Finding the Fourth Proportional to 68,759.82, 94,890.24 and 38,543.76

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Solution

The fourth proportional to 68,759.82, 94,890.24 and 38,543.76 is: 53,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,759.82 : 94,890.24 = 38,543.76 : x
  2. Step 2: Convert to fraction form
    68,759.82/94,890.24 = 38,543.76/x
  3. Step 3: Cross multiply
    68,759.82x = 94,890.24 × 38,543.76
  4. Step 4: Simplify right side
    68,759.82x = 3,657,426,636.90
  5. Step 5: Solve for x
    x = 3,657,426,636.90/68,759.82
  6. Step 6: Final answer
    x = 53,191.34

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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.