Home / 70,127.22-105,189.15-17,536.65

Finding the Fourth Proportional to 70,127.22, 105,189.15 and 17,536.65

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Solution

The fourth proportional to 70,127.22, 105,189.15 and 17,536.65 is: 26,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127.22 : 105,189.15 = 17,536.65 : x
  2. Step 2: Convert to fraction form
    70,127.22/105,189.15 = 17,536.65/x
  3. Step 3: Cross multiply
    70,127.22x = 105,189.15 × 17,536.65
  4. Step 4: Simplify right side
    70,127.22x = 1,844,665,307.35
  5. Step 5: Solve for x
    x = 1,844,665,307.35/70,127.22
  6. Step 6: Final answer
    x = 26,304.55

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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.