Home / 89,319.12-123,252.62-49,032.83

Finding the Fourth Proportional to 89,319.12, 123,252.62 and 49,032.83

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Solution

The fourth proportional to 89,319.12, 123,252.62 and 49,032.83 is: 67,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319.12 : 123,252.62 = 49,032.83 : x
  2. Step 2: Convert to fraction form
    89,319.12/123,252.62 = 49,032.83/x
  3. Step 3: Cross multiply
    89,319.12x = 123,252.62 × 49,032.83
  4. Step 4: Simplify right side
    89,319.12x = 6,043,423,902.09
  5. Step 5: Solve for x
    x = 6,043,423,902.09/89,319.12
  6. Step 6: Final answer
    x = 67,661.03

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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.