Home / 84,839.28-127,138.56-62,477.28

Finding the Fourth Proportional to 84,839.28, 127,138.56 and 62,477.28

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Solution

The fourth proportional to 84,839.28, 127,138.56 and 62,477.28 is: 93,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.28 : 127,138.56 = 62,477.28 : x
  2. Step 2: Convert to fraction form
    84,839.28/127,138.56 = 62,477.28/x
  3. Step 3: Cross multiply
    84,839.28x = 127,138.56 × 62,477.28
  4. Step 4: Simplify right side
    84,839.28x = 7,943,271,411.92
  5. Step 5: Solve for x
    x = 7,943,271,411.92/84,839.28
  6. Step 6: Final answer
    x = 93,627.28

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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.