Home / 81,723.40-122,714.70-62,024.20

Finding the Fourth Proportional to 81,723.40, 122,714.70 and 62,024.20

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Solution

The fourth proportional to 81,723.40, 122,714.70 and 62,024.20 is: 93,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,723.40 : 122,714.70 = 62,024.20 : x
  2. Step 2: Convert to fraction form
    81,723.40/122,714.70 = 62,024.20/x
  3. Step 3: Cross multiply
    81,723.40x = 122,714.70 × 62,024.20
  4. Step 4: Simplify right side
    81,723.40x = 7,611,281,095.74
  5. Step 5: Solve for x
    x = 7,611,281,095.74/81,723.40
  6. Step 6: Final answer
    x = 93,134.66

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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.