Home / 84,929.64-127,397.28-38,182.64

Finding the Fourth Proportional to 84,929.64, 127,397.28 and 38,182.64

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Solution

The fourth proportional to 84,929.64, 127,397.28 and 38,182.64 is: 57,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.64 : 127,397.28 = 38,182.64 : x
  2. Step 2: Convert to fraction form
    84,929.64/127,397.28 = 38,182.64/x
  3. Step 3: Cross multiply
    84,929.64x = 127,397.28 × 38,182.64
  4. Step 4: Simplify right side
    84,929.64x = 4,864,364,479.22
  5. Step 5: Solve for x
    x = 4,864,364,479.22/84,929.64
  6. Step 6: Final answer
    x = 57,275.23

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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.