Home / 66,804.62-92,126.75-39,942.77

Finding the Fourth Proportional to 66,804.62, 92,126.75 and 39,942.77

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Solution

The fourth proportional to 66,804.62, 92,126.75 and 39,942.77 is: 55,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.62 : 92,126.75 = 39,942.77 : x
  2. Step 2: Convert to fraction form
    66,804.62/92,126.75 = 39,942.77/x
  3. Step 3: Cross multiply
    66,804.62x = 92,126.75 × 39,942.77
  4. Step 4: Simplify right side
    66,804.62x = 3,679,796,925.75
  5. Step 5: Solve for x
    x = 3,679,796,925.75/66,804.62
  6. Step 6: Final answer
    x = 55,082.97

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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.