Home / 113,118.12-156,104.29-62,132.03

Finding the Fourth Proportional to 113,118.12, 156,104.29 and 62,132.03

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Solution

The fourth proportional to 113,118.12, 156,104.29 and 62,132.03 is: 85,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,118.12 : 156,104.29 = 62,132.03 : x
  2. Step 2: Convert to fraction form
    113,118.12/156,104.29 = 62,132.03/x
  3. Step 3: Cross multiply
    113,118.12x = 156,104.29 × 62,132.03
  4. Step 4: Simplify right side
    113,118.12x = 9,699,076,429.41
  5. Step 5: Solve for x
    x = 9,699,076,429.41/113,118.12
  6. Step 6: Final answer
    x = 85,742.91

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