Home / 113,269.81-156,315.73-62,279.90

Finding the Fourth Proportional to 113,269.81, 156,315.73 and 62,279.90

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Solution

The fourth proportional to 113,269.81, 156,315.73 and 62,279.90 is: 85,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,269.81 : 156,315.73 = 62,279.90 : x
  2. Step 2: Convert to fraction form
    113,269.81/156,315.73 = 62,279.90/x
  3. Step 3: Cross multiply
    113,269.81x = 156,315.73 × 62,279.90
  4. Step 4: Simplify right side
    113,269.81x = 9,735,328,032.83
  5. Step 5: Solve for x
    x = 9,735,328,032.83/113,269.81
  6. Step 6: Final answer
    x = 85,948.13

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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.