Home / 68,223.40-94,141.86-38,005.64

Finding the Fourth Proportional to 68,223.40, 94,141.86 and 38,005.64

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Solution

The fourth proportional to 68,223.40, 94,141.86 and 38,005.64 is: 52,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,223.40 : 94,141.86 = 38,005.64 : x
  2. Step 2: Convert to fraction form
    68,223.40/94,141.86 = 38,005.64/x
  3. Step 3: Cross multiply
    68,223.40x = 94,141.86 × 38,005.64
  4. Step 4: Simplify right side
    68,223.40x = 3,577,921,640.09
  5. Step 5: Solve for x
    x = 3,577,921,640.09/68,223.40
  6. Step 6: Final answer
    x = 52,444.20

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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.