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Finding the Fourth Proportional to 64,898, 89,562.36 and 36,603.04

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Solution

The fourth proportional to 64,898, 89,562.36 and 36,603.04 is: 50,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898 : 89,562.36 = 36,603.04 : x
  2. Step 2: Convert to fraction form
    64,898/89,562.36 = 36,603.04/x
  3. Step 3: Cross multiply
    64,898x = 89,562.36 × 36,603.04
  4. Step 4: Simplify right side
    64,898x = 3,278,254,645.57
  5. Step 5: Solve for x
    x = 3,278,254,645.57/64,898
  6. Step 6: Final answer
    x = 50,513.95

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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.