Home / 89,631.16-123,690.03-49,344.05

Finding the Fourth Proportional to 89,631.16, 123,690.03 and 49,344.05

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Solution

The fourth proportional to 89,631.16, 123,690.03 and 49,344.05 is: 68,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.16 : 123,690.03 = 49,344.05 : x
  2. Step 2: Convert to fraction form
    89,631.16/123,690.03 = 49,344.05/x
  3. Step 3: Cross multiply
    89,631.16x = 123,690.03 × 49,344.05
  4. Step 4: Simplify right side
    89,631.16x = 6,103,367,024.82
  5. Step 5: Solve for x
    x = 6,103,367,024.82/89,631.16
  6. Step 6: Final answer
    x = 68,094.25

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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.