Home / 110,020.39-164,987.54-38,915.56

Finding the Fourth Proportional to 110,020.39, 164,987.54 and 38,915.56

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Solution

The fourth proportional to 110,020.39, 164,987.54 and 38,915.56 is: 58,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,020.39 : 164,987.54 = 38,915.56 : x
  2. Step 2: Convert to fraction form
    110,020.39/164,987.54 = 38,915.56/x
  3. Step 3: Cross multiply
    110,020.39x = 164,987.54 × 38,915.56
  4. Step 4: Simplify right side
    110,020.39x = 6,420,582,512.12
  5. Step 5: Solve for x
    x = 6,420,582,512.12/110,020.39
  6. Step 6: Final answer
    x = 58,358.11

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1.5x scale

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.