Home / 82,765.04-124,159.23-26,586.31

Finding the Fourth Proportional to 82,765.04, 124,159.23 and 26,586.31

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Solution

The fourth proportional to 82,765.04, 124,159.23 and 26,586.31 is: 39,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.04 : 124,159.23 = 26,586.31 : x
  2. Step 2: Convert to fraction form
    82,765.04/124,159.23 = 26,586.31/x
  3. Step 3: Cross multiply
    82,765.04x = 124,159.23 × 26,586.31
  4. Step 4: Simplify right side
    82,765.04x = 3,300,935,778.14
  5. Step 5: Solve for x
    x = 3,300,935,778.14/82,765.04
  6. Step 6: Final answer
    x = 39,883.21

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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.