Home / 78,512.24-108,335.28-46,227.68

Finding the Fourth Proportional to 78,512.24, 108,335.28 and 46,227.68

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Solution

The fourth proportional to 78,512.24, 108,335.28 and 46,227.68 is: 63,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,512.24 : 108,335.28 = 46,227.68 : x
  2. Step 2: Convert to fraction form
    78,512.24/108,335.28 = 46,227.68/x
  3. Step 3: Cross multiply
    78,512.24x = 108,335.28 × 46,227.68
  4. Step 4: Simplify right side
    78,512.24x = 5,008,088,656.55
  5. Step 5: Solve for x
    x = 5,008,088,656.55/78,512.24
  6. Step 6: Final answer
    x = 63,787.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.