Home / 84,929.16-127,379.52-25,750.68

Finding the Fourth Proportional to 84,929.16, 127,379.52 and 25,750.68

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Solution

The fourth proportional to 84,929.16, 127,379.52 and 25,750.68 is: 38,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.16 : 127,379.52 = 25,750.68 : x
  2. Step 2: Convert to fraction form
    84,929.16/127,379.52 = 25,750.68/x
  3. Step 3: Cross multiply
    84,929.16x = 127,379.52 × 25,750.68
  4. Step 4: Simplify right side
    84,929.16x = 3,280,109,258.07
  5. Step 5: Solve for x
    x = 3,280,109,258.07/84,929.16
  6. Step 6: Final answer
    x = 38,621.71

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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.