Home / 92,141.88-138,196.08-25,565.28

Finding the Fourth Proportional to 92,141.88, 138,196.08 and 25,565.28

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Solution

The fourth proportional to 92,141.88, 138,196.08 and 25,565.28 is: 38,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,141.88 : 138,196.08 = 25,565.28 : x
  2. Step 2: Convert to fraction form
    92,141.88/138,196.08 = 25,565.28/x
  3. Step 3: Cross multiply
    92,141.88x = 138,196.08 × 25,565.28
  4. Step 4: Simplify right side
    92,141.88x = 3,533,021,480.10
  5. Step 5: Solve for x
    x = 3,533,021,480.10/92,141.88
  6. Step 6: Final answer
    x = 38,343.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.