Home / 45,366.98-68,059.38-15,785.78

Finding the Fourth Proportional to 45,366.98, 68,059.38 and 15,785.78

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Solution

The fourth proportional to 45,366.98, 68,059.38 and 15,785.78 is: 23,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366.98 : 68,059.38 = 15,785.78 : x
  2. Step 2: Convert to fraction form
    45,366.98/68,059.38 = 15,785.78/x
  3. Step 3: Cross multiply
    45,366.98x = 68,059.38 × 15,785.78
  4. Step 4: Simplify right side
    45,366.98x = 1,074,370,399.62
  5. Step 5: Solve for x
    x = 1,074,370,399.62/45,366.98
  6. Step 6: Final answer
    x = 23,681.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.