Home / 83,702.24-115,491.12-49,722.18

Finding the Fourth Proportional to 83,702.24, 115,491.12 and 49,722.18

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Solution

The fourth proportional to 83,702.24, 115,491.12 and 49,722.18 is: 68,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.24 : 115,491.12 = 49,722.18 : x
  2. Step 2: Convert to fraction form
    83,702.24/115,491.12 = 49,722.18/x
  3. Step 3: Cross multiply
    83,702.24x = 115,491.12 × 49,722.18
  4. Step 4: Simplify right side
    83,702.24x = 5,742,470,257.04
  5. Step 5: Solve for x
    x = 5,742,470,257.04/83,702.24
  6. Step 6: Final answer
    x = 68,605.93

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1.5x scale

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.