Home / 66,284.02-91,471.98-37,989.73

Finding the Fourth Proportional to 66,284.02, 91,471.98 and 37,989.73

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Solution

The fourth proportional to 66,284.02, 91,471.98 and 37,989.73 is: 52,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,284.02 : 91,471.98 = 37,989.73 : x
  2. Step 2: Convert to fraction form
    66,284.02/91,471.98 = 37,989.73/x
  3. Step 3: Cross multiply
    66,284.02x = 91,471.98 × 37,989.73
  4. Step 4: Simplify right side
    66,284.02x = 3,474,995,822.77
  5. Step 5: Solve for x
    x = 3,474,995,822.77/66,284.02
  6. Step 6: Final answer
    x = 52,425.85

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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.