Home / 63,930.69-88,188.23-40,015.85

Finding the Fourth Proportional to 63,930.69, 88,188.23 and 40,015.85

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Solution

The fourth proportional to 63,930.69, 88,188.23 and 40,015.85 is: 55,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.69 : 88,188.23 = 40,015.85 : x
  2. Step 2: Convert to fraction form
    63,930.69/88,188.23 = 40,015.85/x
  3. Step 3: Cross multiply
    63,930.69x = 88,188.23 × 40,015.85
  4. Step 4: Simplify right side
    63,930.69x = 3,528,926,342.43
  5. Step 5: Solve for x
    x = 3,528,926,342.43/63,930.69
  6. Step 6: Final answer
    x = 55,199.25

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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.