Home / 74,549.18-111,785.45-21,951.83

Finding the Fourth Proportional to 74,549.18, 111,785.45 and 21,951.83

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Solution

The fourth proportional to 74,549.18, 111,785.45 and 21,951.83 is: 32,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.18 : 111,785.45 = 21,951.83 : x
  2. Step 2: Convert to fraction form
    74,549.18/111,785.45 = 21,951.83/x
  3. Step 3: Cross multiply
    74,549.18x = 111,785.45 × 21,951.83
  4. Step 4: Simplify right side
    74,549.18x = 2,453,894,690.83
  5. Step 5: Solve for x
    x = 2,453,894,690.83/74,549.18
  6. Step 6: Final answer
    x = 32,916.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.