Home / 82,479.18-123,718.70-29,888.58

Finding the Fourth Proportional to 82,479.18, 123,718.70 and 29,888.58

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Solution

The fourth proportional to 82,479.18, 123,718.70 and 29,888.58 is: 44,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479.18 : 123,718.70 = 29,888.58 : x
  2. Step 2: Convert to fraction form
    82,479.18/123,718.70 = 29,888.58/x
  3. Step 3: Cross multiply
    82,479.18x = 123,718.70 × 29,888.58
  4. Step 4: Simplify right side
    82,479.18x = 3,697,776,262.45
  5. Step 5: Solve for x
    x = 3,697,776,262.45/82,479.18
  6. Step 6: Final answer
    x = 44,832.84

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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.