Home / 84,823.16-127,278.48-34,940.12

Finding the Fourth Proportional to 84,823.16, 127,278.48 and 34,940.12

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Solution

The fourth proportional to 84,823.16, 127,278.48 and 34,940.12 is: 52,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,823.16 : 127,278.48 = 34,940.12 : x
  2. Step 2: Convert to fraction form
    84,823.16/127,278.48 = 34,940.12/x
  3. Step 3: Cross multiply
    84,823.16x = 127,278.48 × 34,940.12
  4. Step 4: Simplify right side
    84,823.16x = 4,447,125,364.62
  5. Step 5: Solve for x
    x = 4,447,125,364.62/84,823.16
  6. Step 6: Final answer
    x = 52,428.20

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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.