Home / 66,902.29-92,322.38-40,028.92

Finding the Fourth Proportional to 66,902.29, 92,322.38 and 40,028.92

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Solution

The fourth proportional to 66,902.29, 92,322.38 and 40,028.92 is: 55,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.29 : 92,322.38 = 40,028.92 : x
  2. Step 2: Convert to fraction form
    66,902.29/92,322.38 = 40,028.92/x
  3. Step 3: Cross multiply
    66,902.29x = 92,322.38 × 40,028.92
  4. Step 4: Simplify right side
    66,902.29x = 3,695,565,032.50
  5. Step 5: Solve for x
    x = 3,695,565,032.50/66,902.29
  6. Step 6: Final answer
    x = 55,238.25

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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.