Home / 92,569.06-138,742.28-42,580.26

Finding the Fourth Proportional to 92,569.06, 138,742.28 and 42,580.26

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Solution

The fourth proportional to 92,569.06, 138,742.28 and 42,580.26 is: 63,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.06 : 138,742.28 = 42,580.26 : x
  2. Step 2: Convert to fraction form
    92,569.06/138,742.28 = 42,580.26/x
  3. Step 3: Cross multiply
    92,569.06x = 138,742.28 × 42,580.26
  4. Step 4: Simplify right side
    92,569.06x = 5,907,682,355.39
  5. Step 5: Solve for x
    x = 5,907,682,355.39/92,569.06
  6. Step 6: Final answer
    x = 63,819.19

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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.