Home / 70,146.33-96,801.36-38,315.25

Finding the Fourth Proportional to 70,146.33, 96,801.36 and 38,315.25

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Solution

The fourth proportional to 70,146.33, 96,801.36 and 38,315.25 is: 52,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,146.33 : 96,801.36 = 38,315.25 : x
  2. Step 2: Convert to fraction form
    70,146.33/96,801.36 = 38,315.25/x
  3. Step 3: Cross multiply
    70,146.33x = 96,801.36 × 38,315.25
  4. Step 4: Simplify right side
    70,146.33x = 3,708,968,308.74
  5. Step 5: Solve for x
    x = 3,708,968,308.74/70,146.33
  6. Step 6: Final answer
    x = 52,874.73

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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.