Home / 127,297.60-175,665.68-70,712.56

Finding the Fourth Proportional to 127,297.60, 175,665.68 and 70,712.56

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Solution

The fourth proportional to 127,297.60, 175,665.68 and 70,712.56 is: 97,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,297.60 : 175,665.68 = 70,712.56 : x
  2. Step 2: Convert to fraction form
    127,297.60/175,665.68 = 70,712.56/x
  3. Step 3: Cross multiply
    127,297.60x = 175,665.68 × 70,712.56
  4. Step 4: Simplify right side
    127,297.60x = 12,421,769,936.94
  5. Step 5: Solve for x
    x = 12,421,769,936.94/127,297.60
  6. Step 6: Final answer
    x = 97,580.55

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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.