Home / 68,897.18-95,077.28-38,681.75

Finding the Fourth Proportional to 68,897.18, 95,077.28 and 38,681.75

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Solution

The fourth proportional to 68,897.18, 95,077.28 and 38,681.75 is: 53,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,897.18 : 95,077.28 = 38,681.75 : x
  2. Step 2: Convert to fraction form
    68,897.18/95,077.28 = 38,681.75/x
  3. Step 3: Cross multiply
    68,897.18x = 95,077.28 × 38,681.75
  4. Step 4: Simplify right side
    68,897.18x = 3,677,754,906.84
  5. Step 5: Solve for x
    x = 3,677,754,906.84/68,897.18
  6. Step 6: Final answer
    x = 53,380.34

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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.