Home / 84,849.28-127,153.56-62,487.28

Finding the Fourth Proportional to 84,849.28, 127,153.56 and 62,487.28

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Solution

The fourth proportional to 84,849.28, 127,153.56 and 62,487.28 is: 93,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,849.28 : 127,153.56 = 62,487.28 : x
  2. Step 2: Convert to fraction form
    84,849.28/127,153.56 = 62,487.28/x
  3. Step 3: Cross multiply
    84,849.28x = 127,153.56 × 62,487.28
  4. Step 4: Simplify right side
    84,849.28x = 7,945,480,106.72
  5. Step 5: Solve for x
    x = 7,945,480,106.72/84,849.28
  6. Step 6: Final answer
    x = 93,642.28

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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.