Home / 113,745.12-156,977.08-62,767.98

Finding the Fourth Proportional to 113,745.12, 156,977.08 and 62,767.98

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Solution

The fourth proportional to 113,745.12, 156,977.08 and 62,767.98 is: 86,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,745.12 : 156,977.08 = 62,767.98 : x
  2. Step 2: Convert to fraction form
    113,745.12/156,977.08 = 62,767.98/x
  3. Step 3: Cross multiply
    113,745.12x = 156,977.08 × 62,767.98
  4. Step 4: Simplify right side
    113,745.12x = 9,853,134,217.90
  5. Step 5: Solve for x
    x = 9,853,134,217.90/113,745.12
  6. Step 6: Final answer
    x = 86,624.68

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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.