Home / 82,486.32-123,707.40-23,308.08

Finding the Fourth Proportional to 82,486.32, 123,707.40 and 23,308.08

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Solution

The fourth proportional to 82,486.32, 123,707.40 and 23,308.08 is: 34,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486.32 : 123,707.40 = 23,308.08 : x
  2. Step 2: Convert to fraction form
    82,486.32/123,707.40 = 23,308.08/x
  3. Step 3: Cross multiply
    82,486.32x = 123,707.40 × 23,308.08
  4. Step 4: Simplify right side
    82,486.32x = 2,883,381,975.79
  5. Step 5: Solve for x
    x = 2,883,381,975.79/82,486.32
  6. Step 6: Final answer
    x = 34,955.88

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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.