Home / 57,215.94-78,939.66-34,561.65

Finding the Fourth Proportional to 57,215.94, 78,939.66 and 34,561.65

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Solution

The fourth proportional to 57,215.94, 78,939.66 and 34,561.65 is: 47,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215.94 : 78,939.66 = 34,561.65 : x
  2. Step 2: Convert to fraction form
    57,215.94/78,939.66 = 34,561.65/x
  3. Step 3: Cross multiply
    57,215.94x = 78,939.66 × 34,561.65
  4. Step 4: Simplify right side
    57,215.94x = 2,728,284,900.04
  5. Step 5: Solve for x
    x = 2,728,284,900.04/57,215.94
  6. Step 6: Final answer
    x = 47,684.00

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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.