Home / 104,780.40-157,169.05-25,894.62

Finding the Fourth Proportional to 104,780.40, 157,169.05 and 25,894.62

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Solution

The fourth proportional to 104,780.40, 157,169.05 and 25,894.62 is: 38,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.40 : 157,169.05 = 25,894.62 : x
  2. Step 2: Convert to fraction form
    104,780.40/157,169.05 = 25,894.62/x
  3. Step 3: Cross multiply
    104,780.40x = 157,169.05 × 25,894.62
  4. Step 4: Simplify right side
    104,780.40x = 4,069,832,825.51
  5. Step 5: Solve for x
    x = 4,069,832,825.51/104,780.40
  6. Step 6: Final answer
    x = 38,841.55

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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.