Home / 84,918.10-127,378.36-32,330.46

Finding the Fourth Proportional to 84,918.10, 127,378.36 and 32,330.46

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Solution

The fourth proportional to 84,918.10, 127,378.36 and 32,330.46 is: 48,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.10 : 127,378.36 = 32,330.46 : x
  2. Step 2: Convert to fraction form
    84,918.10/127,378.36 = 32,330.46/x
  3. Step 3: Cross multiply
    84,918.10x = 127,378.36 × 32,330.46
  4. Step 4: Simplify right side
    84,918.10x = 4,118,200,972.85
  5. Step 5: Solve for x
    x = 4,118,200,972.85/84,918.10
  6. Step 6: Final answer
    x = 48,496.15

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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.