Home / 82,971.20-124,457.49-23,808.76

Finding the Fourth Proportional to 82,971.20, 124,457.49 and 23,808.76

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Solution

The fourth proportional to 82,971.20, 124,457.49 and 23,808.76 is: 35,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.20 : 124,457.49 = 23,808.76 : x
  2. Step 2: Convert to fraction form
    82,971.20/124,457.49 = 23,808.76/x
  3. Step 3: Cross multiply
    82,971.20x = 124,457.49 × 23,808.76
  4. Step 4: Simplify right side
    82,971.20x = 2,963,178,198.47
  5. Step 5: Solve for x
    x = 2,963,178,198.47/82,971.20
  6. Step 6: Final answer
    x = 35,713.33

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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.