Home / 127,977.84-192,069.36-57,863.16

Finding the Fourth Proportional to 127,977.84, 192,069.36 and 57,863.16

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Solution

The fourth proportional to 127,977.84, 192,069.36 and 57,863.16 is: 86,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,977.84 : 192,069.36 = 57,863.16 : x
  2. Step 2: Convert to fraction form
    127,977.84/192,069.36 = 57,863.16/x
  3. Step 3: Cross multiply
    127,977.84x = 192,069.36 × 57,863.16
  4. Step 4: Simplify right side
    127,977.84x = 11,113,740,108.78
  5. Step 5: Solve for x
    x = 11,113,740,108.78/127,977.84
  6. Step 6: Final answer
    x = 86,841.13

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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.