Home / 89,888.32-134,849.82-34,480

Finding the Fourth Proportional to 89,888.32, 134,849.82 and 34,480

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Solution

The fourth proportional to 89,888.32, 134,849.82 and 34,480 is: 51,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.32 : 134,849.82 = 34,480 : x
  2. Step 2: Convert to fraction form
    89,888.32/134,849.82 = 34,480/x
  3. Step 3: Cross multiply
    89,888.32x = 134,849.82 × 34,480
  4. Step 4: Simplify right side
    89,888.32x = 4,649,621,793.60
  5. Step 5: Solve for x
    x = 4,649,621,793.60/89,888.32
  6. Step 6: Final answer
    x = 51,726.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.