Home / 67,041.86-100,577.39-20,298.38

Finding the Fourth Proportional to 67,041.86, 100,577.39 and 20,298.38

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Solution

The fourth proportional to 67,041.86, 100,577.39 and 20,298.38 is: 30,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.86 : 100,577.39 = 20,298.38 : x
  2. Step 2: Convert to fraction form
    67,041.86/100,577.39 = 20,298.38/x
  3. Step 3: Cross multiply
    67,041.86x = 100,577.39 × 20,298.38
  4. Step 4: Simplify right side
    67,041.86x = 2,041,557,477.25
  5. Step 5: Solve for x
    x = 2,041,557,477.25/67,041.86
  6. Step 6: Final answer
    x = 30,451.98

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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.