Home / 67,303.77-92,872.84-39,704.12

Finding the Fourth Proportional to 67,303.77, 92,872.84 and 39,704.12

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Solution

The fourth proportional to 67,303.77, 92,872.84 and 39,704.12 is: 54,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,303.77 : 92,872.84 = 39,704.12 : x
  2. Step 2: Convert to fraction form
    67,303.77/92,872.84 = 39,704.12/x
  3. Step 3: Cross multiply
    67,303.77x = 92,872.84 × 39,704.12
  4. Step 4: Simplify right side
    67,303.77x = 3,687,434,384.10
  5. Step 5: Solve for x
    x = 3,687,434,384.10/67,303.77
  6. Step 6: Final answer
    x = 54,787.93

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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.