Home / 92,341.16-138,515.88-28,294.60

Finding the Fourth Proportional to 92,341.16, 138,515.88 and 28,294.60

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Solution

The fourth proportional to 92,341.16, 138,515.88 and 28,294.60 is: 42,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,341.16 : 138,515.88 = 28,294.60 : x
  2. Step 2: Convert to fraction form
    92,341.16/138,515.88 = 28,294.60/x
  3. Step 3: Cross multiply
    92,341.16x = 138,515.88 × 28,294.60
  4. Step 4: Simplify right side
    92,341.16x = 3,919,251,071.96
  5. Step 5: Solve for x
    x = 3,919,251,071.96/92,341.16
  6. Step 6: Final answer
    x = 42,443.17

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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.