Home / 124,042.83-186,074.11-38,643.21

Finding the Fourth Proportional to 124,042.83, 186,074.11 and 38,643.21

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Solution

The fourth proportional to 124,042.83, 186,074.11 and 38,643.21 is: 57,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.83 : 186,074.11 = 38,643.21 : x
  2. Step 2: Convert to fraction form
    124,042.83/186,074.11 = 38,643.21/x
  3. Step 3: Cross multiply
    124,042.83x = 186,074.11 × 38,643.21
  4. Step 4: Simplify right side
    124,042.83x = 7,190,500,956.60
  5. Step 5: Solve for x
    x = 7,190,500,956.60/124,042.83
  6. Step 6: Final answer
    x = 57,967.89

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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.