Home / 66,836.01-92,183.07-42,949.72

Finding the Fourth Proportional to 66,836.01, 92,183.07 and 42,949.72

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Solution

The fourth proportional to 66,836.01, 92,183.07 and 42,949.72 is: 59,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836.01 : 92,183.07 = 42,949.72 : x
  2. Step 2: Convert to fraction form
    66,836.01/92,183.07 = 42,949.72/x
  3. Step 3: Cross multiply
    66,836.01x = 92,183.07 × 42,949.72
  4. Step 4: Simplify right side
    66,836.01x = 3,959,237,045.24
  5. Step 5: Solve for x
    x = 3,959,237,045.24/66,836.01
  6. Step 6: Final answer
    x = 59,238.08

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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.