Home / 57,084.14-78,807.78-34,428.85

Finding the Fourth Proportional to 57,084.14, 78,807.78 and 34,428.85

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Solution

The fourth proportional to 57,084.14, 78,807.78 and 34,428.85 is: 47,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.14 : 78,807.78 = 34,428.85 : x
  2. Step 2: Convert to fraction form
    57,084.14/78,807.78 = 34,428.85/x
  3. Step 3: Cross multiply
    57,084.14x = 78,807.78 × 34,428.85
  4. Step 4: Simplify right side
    57,084.14x = 2,713,261,039.43
  5. Step 5: Solve for x
    x = 2,713,261,039.43/57,084.14
  6. Step 6: Final answer
    x = 47,530.91

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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.