Home / 66,740.28-100,116.22-25,187.64

Finding the Fourth Proportional to 66,740.28, 100,116.22 and 25,187.64

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Solution

The fourth proportional to 66,740.28, 100,116.22 and 25,187.64 is: 37,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.28 : 100,116.22 = 25,187.64 : x
  2. Step 2: Convert to fraction form
    66,740.28/100,116.22 = 25,187.64/x
  3. Step 3: Cross multiply
    66,740.28x = 100,116.22 × 25,187.64
  4. Step 4: Simplify right side
    66,740.28x = 2,521,691,307.52
  5. Step 5: Solve for x
    x = 2,521,691,307.52/66,740.28
  6. Step 6: Final answer
    x = 37,783.65

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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.