Home / 113,764.31-156,994.62-62,777.03

Finding the Fourth Proportional to 113,764.31, 156,994.62 and 62,777.03

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Solution

The fourth proportional to 113,764.31, 156,994.62 and 62,777.03 is: 86,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.31 : 156,994.62 = 62,777.03 : x
  2. Step 2: Convert to fraction form
    113,764.31/156,994.62 = 62,777.03/x
  3. Step 3: Cross multiply
    113,764.31x = 156,994.62 × 62,777.03
  4. Step 4: Simplify right side
    113,764.31x = 9,855,655,184.61
  5. Step 5: Solve for x
    x = 9,855,655,184.61/113,764.31
  6. Step 6: Final answer
    x = 86,632.23

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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.