Home / 89,476.17-123,479.84-51,248.09

Finding the Fourth Proportional to 89,476.17, 123,479.84 and 51,248.09

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Solution

The fourth proportional to 89,476.17, 123,479.84 and 51,248.09 is: 70,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,476.17 : 123,479.84 = 51,248.09 : x
  2. Step 2: Convert to fraction form
    89,476.17/123,479.84 = 51,248.09/x
  3. Step 3: Cross multiply
    89,476.17x = 123,479.84 × 51,248.09
  4. Step 4: Simplify right side
    89,476.17x = 6,328,106,390.33
  5. Step 5: Solve for x
    x = 6,328,106,390.33/89,476.17
  6. Step 6: Final answer
    x = 70,723.93

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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.