Home / 70,736.34-106,111.43-25,769.91

Finding the Fourth Proportional to 70,736.34, 106,111.43 and 25,769.91

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Solution

The fourth proportional to 70,736.34, 106,111.43 and 25,769.91 is: 38,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.34 : 106,111.43 = 25,769.91 : x
  2. Step 2: Convert to fraction form
    70,736.34/106,111.43 = 25,769.91/x
  3. Step 3: Cross multiply
    70,736.34x = 106,111.43 × 25,769.91
  4. Step 4: Simplify right side
    70,736.34x = 2,734,482,001.07
  5. Step 5: Solve for x
    x = 2,734,482,001.07/70,736.34
  6. Step 6: Final answer
    x = 38,657.39

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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.