Home / 61,401.19-84,732.87-34,543.90

Finding the Fourth Proportional to 61,401.19, 84,732.87 and 34,543.90

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Solution

The fourth proportional to 61,401.19, 84,732.87 and 34,543.90 is: 47,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401.19 : 84,732.87 = 34,543.90 : x
  2. Step 2: Convert to fraction form
    61,401.19/84,732.87 = 34,543.90/x
  3. Step 3: Cross multiply
    61,401.19x = 84,732.87 × 34,543.90
  4. Step 4: Simplify right side
    61,401.19x = 2,927,003,787.99
  5. Step 5: Solve for x
    x = 2,927,003,787.99/61,401.19
  6. Step 6: Final answer
    x = 47,670.15

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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.