Home / 82,798.10-124,159.80-23,619.68

Finding the Fourth Proportional to 82,798.10, 124,159.80 and 23,619.68

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Solution

The fourth proportional to 82,798.10, 124,159.80 and 23,619.68 is: 35,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.10 : 124,159.80 = 23,619.68 : x
  2. Step 2: Convert to fraction form
    82,798.10/124,159.80 = 23,619.68/x
  3. Step 3: Cross multiply
    82,798.10x = 124,159.80 × 23,619.68
  4. Step 4: Simplify right side
    82,798.10x = 2,932,614,744.86
  5. Step 5: Solve for x
    x = 2,932,614,744.86/82,798.10
  6. Step 6: Final answer
    x = 35,418.87

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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.