Home / 124,907.74-172,444-82,589.02

Finding the Fourth Proportional to 124,907.74, 172,444 and 82,589.02

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Solution

The fourth proportional to 124,907.74, 172,444 and 82,589.02 is: 114,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,907.74 : 172,444 = 82,589.02 : x
  2. Step 2: Convert to fraction form
    124,907.74/172,444 = 82,589.02/x
  3. Step 3: Cross multiply
    124,907.74x = 172,444 × 82,589.02
  4. Step 4: Simplify right side
    124,907.74x = 14,241,980,964.88
  5. Step 5: Solve for x
    x = 14,241,980,964.88/124,907.74
  6. Step 6: Final answer
    x = 114,020.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.