Home / 67,050.87-92,530.40-40,194.51

Finding the Fourth Proportional to 67,050.87, 92,530.40 and 40,194.51

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Solution

The fourth proportional to 67,050.87, 92,530.40 and 40,194.51 is: 55,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,050.87 : 92,530.40 = 40,194.51 : x
  2. Step 2: Convert to fraction form
    67,050.87/92,530.40 = 40,194.51/x
  3. Step 3: Cross multiply
    67,050.87x = 92,530.40 × 40,194.51
  4. Step 4: Simplify right side
    67,050.87x = 3,719,213,887.13
  5. Step 5: Solve for x
    x = 3,719,213,887.13/67,050.87
  6. Step 6: Final answer
    x = 55,468.54

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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.