Home / 92,569.05-138,742.29-42,580.26

Finding the Fourth Proportional to 92,569.05, 138,742.29 and 42,580.26

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Solution

The fourth proportional to 92,569.05, 138,742.29 and 42,580.26 is: 63,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.05 : 138,742.29 = 42,580.26 : x
  2. Step 2: Convert to fraction form
    92,569.05/138,742.29 = 42,580.26/x
  3. Step 3: Cross multiply
    92,569.05x = 138,742.29 × 42,580.26
  4. Step 4: Simplify right side
    92,569.05x = 5,907,682,781.20
  5. Step 5: Solve for x
    x = 5,907,682,781.20/92,569.05
  6. Step 6: Final answer
    x = 63,819.20

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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.