Home / 82,811.34-124,217.06-26,651.45

Finding the Fourth Proportional to 82,811.34, 124,217.06 and 26,651.45

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Solution

The fourth proportional to 82,811.34, 124,217.06 and 26,651.45 is: 39,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.34 : 124,217.06 = 26,651.45 : x
  2. Step 2: Convert to fraction form
    82,811.34/124,217.06 = 26,651.45/x
  3. Step 3: Cross multiply
    82,811.34x = 124,217.06 × 26,651.45
  4. Step 4: Simplify right side
    82,811.34x = 3,310,564,009.39
  5. Step 5: Solve for x
    x = 3,310,564,009.39/82,811.34
  6. Step 6: Final answer
    x = 39,977.18

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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.