Home / 111,645.35-154,073.43-60,657.56

Finding the Fourth Proportional to 111,645.35, 154,073.43 and 60,657.56

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Solution

The fourth proportional to 111,645.35, 154,073.43 and 60,657.56 is: 83,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,645.35 : 154,073.43 = 60,657.56 : x
  2. Step 2: Convert to fraction form
    111,645.35/154,073.43 = 60,657.56/x
  3. Step 3: Cross multiply
    111,645.35x = 154,073.43 × 60,657.56
  4. Step 4: Simplify right side
    111,645.35x = 9,345,717,554.26
  5. Step 5: Solve for x
    x = 9,345,717,554.26/111,645.35
  6. Step 6: Final answer
    x = 83,708.98

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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.