Home / 82,956.40-124,441.80-26,802.16

Finding the Fourth Proportional to 82,956.40, 124,441.80 and 26,802.16

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Solution

The fourth proportional to 82,956.40, 124,441.80 and 26,802.16 is: 40,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.40 : 124,441.80 = 26,802.16 : x
  2. Step 2: Convert to fraction form
    82,956.40/124,441.80 = 26,802.16/x
  3. Step 3: Cross multiply
    82,956.40x = 124,441.80 × 26,802.16
  4. Step 4: Simplify right side
    82,956.40x = 3,335,309,034.29
  5. Step 5: Solve for x
    x = 3,335,309,034.29/82,956.40
  6. Step 6: Final answer
    x = 40,205.57

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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.