Home / 94,285.38-130,113.82-56,571.78

Finding the Fourth Proportional to 94,285.38, 130,113.82 and 56,571.78

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Solution

The fourth proportional to 94,285.38, 130,113.82 and 56,571.78 is: 78,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,285.38 : 130,113.82 = 56,571.78 : x
  2. Step 2: Convert to fraction form
    94,285.38/130,113.82 = 56,571.78/x
  3. Step 3: Cross multiply
    94,285.38x = 130,113.82 × 56,571.78
  4. Step 4: Simplify right side
    94,285.38x = 7,360,770,400.00
  5. Step 5: Solve for x
    x = 7,360,770,400.00/94,285.38
  6. Step 6: Final answer
    x = 78,069.05

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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.