Home / 127,581.44-176,061.12-70,991.84

Finding the Fourth Proportional to 127,581.44, 176,061.12 and 70,991.84

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Solution

The fourth proportional to 127,581.44, 176,061.12 and 70,991.84 is: 97,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,581.44 : 176,061.12 = 70,991.84 : x
  2. Step 2: Convert to fraction form
    127,581.44/176,061.12 = 70,991.84/x
  3. Step 3: Cross multiply
    127,581.44x = 176,061.12 × 70,991.84
  4. Step 4: Simplify right side
    127,581.44x = 12,498,902,861.26
  5. Step 5: Solve for x
    x = 12,498,902,861.26/127,581.44
  6. Step 6: Final answer
    x = 97,968.03

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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.