Home / 66,837.25-100,272.58-47,154.25

Finding the Fourth Proportional to 66,837.25, 100,272.58 and 47,154.25

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Solution

The fourth proportional to 66,837.25, 100,272.58 and 47,154.25 is: 70,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.25 : 100,272.58 = 47,154.25 : x
  2. Step 2: Convert to fraction form
    66,837.25/100,272.58 = 47,154.25/x
  3. Step 3: Cross multiply
    66,837.25x = 100,272.58 × 47,154.25
  4. Step 4: Simplify right side
    66,837.25x = 4,728,277,568.33
  5. Step 5: Solve for x
    x = 4,728,277,568.33/66,837.25
  6. Step 6: Final answer
    x = 70,743.15

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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.