Home / 92,531.97-138,855.36-42,619.16

Finding the Fourth Proportional to 92,531.97, 138,855.36 and 42,619.16

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Solution

The fourth proportional to 92,531.97, 138,855.36 and 42,619.16 is: 63,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,531.97 : 138,855.36 = 42,619.16 : x
  2. Step 2: Convert to fraction form
    92,531.97/138,855.36 = 42,619.16/x
  3. Step 3: Cross multiply
    92,531.97x = 138,855.36 × 42,619.16
  4. Step 4: Simplify right side
    92,531.97x = 5,917,899,311.66
  5. Step 5: Solve for x
    x = 5,917,899,311.66/92,531.97
  6. Step 6: Final answer
    x = 63,955.19

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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.