Home / 61,401.25-84,734.13-34,543.54

Finding the Fourth Proportional to 61,401.25, 84,734.13 and 34,543.54

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Solution

The fourth proportional to 61,401.25, 84,734.13 and 34,543.54 is: 47,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401.25 : 84,734.13 = 34,543.54 : x
  2. Step 2: Convert to fraction form
    61,401.25/84,734.13 = 34,543.54/x
  3. Step 3: Cross multiply
    61,401.25x = 84,734.13 × 34,543.54
  4. Step 4: Simplify right side
    61,401.25x = 2,927,016,809.02
  5. Step 5: Solve for x
    x = 2,927,016,809.02/61,401.25
  6. Step 6: Final answer
    x = 47,670.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.