Home / 70,255.40-96,954.66-38,425.16

Finding the Fourth Proportional to 70,255.40, 96,954.66 and 38,425.16

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Solution

The fourth proportional to 70,255.40, 96,954.66 and 38,425.16 is: 53,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,255.40 : 96,954.66 = 38,425.16 : x
  2. Step 2: Convert to fraction form
    70,255.40/96,954.66 = 38,425.16/x
  3. Step 3: Cross multiply
    70,255.40x = 96,954.66 × 38,425.16
  4. Step 4: Simplify right side
    70,255.40x = 3,725,498,323.25
  5. Step 5: Solve for x
    x = 3,725,498,323.25/70,255.40
  6. Step 6: Final answer
    x = 53,027.93

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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.