Home / 84,917.78-127,377.78-36,875.32

Finding the Fourth Proportional to 84,917.78, 127,377.78 and 36,875.32

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Solution

The fourth proportional to 84,917.78, 127,377.78 and 36,875.32 is: 55,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.78 : 127,377.78 = 36,875.32 : x
  2. Step 2: Convert to fraction form
    84,917.78/127,377.78 = 36,875.32/x
  3. Step 3: Cross multiply
    84,917.78x = 127,377.78 × 36,875.32
  4. Step 4: Simplify right side
    84,917.78x = 4,697,096,398.39
  5. Step 5: Solve for x
    x = 4,697,096,398.39/84,917.78
  6. Step 6: Final answer
    x = 55,313.46

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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.