Home / 89,438.51-123,427.29-49,156.10

Finding the Fourth Proportional to 89,438.51, 123,427.29 and 49,156.10

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Solution

The fourth proportional to 89,438.51, 123,427.29 and 49,156.10 is: 67,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,438.51 : 123,427.29 = 49,156.10 : x
  2. Step 2: Convert to fraction form
    89,438.51/123,427.29 = 49,156.10/x
  3. Step 3: Cross multiply
    89,438.51x = 123,427.29 × 49,156.10
  4. Step 4: Simplify right side
    89,438.51x = 6,067,203,964.19
  5. Step 5: Solve for x
    x = 6,067,203,964.19/89,438.51
  6. Step 6: Final answer
    x = 67,836.59

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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.