Home / 92,278.34-138,309.53-42,363.25

Finding the Fourth Proportional to 92,278.34, 138,309.53 and 42,363.25

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Solution

The fourth proportional to 92,278.34, 138,309.53 and 42,363.25 is: 63,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,278.34 : 138,309.53 = 42,363.25 : x
  2. Step 2: Convert to fraction form
    92,278.34/138,309.53 = 42,363.25/x
  3. Step 3: Cross multiply
    92,278.34x = 138,309.53 × 42,363.25
  4. Step 4: Simplify right side
    92,278.34x = 5,859,241,417.17
  5. Step 5: Solve for x
    x = 5,859,241,417.17/92,278.34
  6. Step 6: Final answer
    x = 63,495.31

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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.