Home / 45,099.52-67,641.36-13,935.04

Finding the Fourth Proportional to 45,099.52, 67,641.36 and 13,935.04

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Solution

The fourth proportional to 45,099.52, 67,641.36 and 13,935.04 is: 20,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.52 : 67,641.36 = 13,935.04 : x
  2. Step 2: Convert to fraction form
    45,099.52/67,641.36 = 13,935.04/x
  3. Step 3: Cross multiply
    45,099.52x = 67,641.36 × 13,935.04
  4. Step 4: Simplify right side
    45,099.52x = 942,585,057.25
  5. Step 5: Solve for x
    x = 942,585,057.25/45,099.52
  6. Step 6: Final answer
    x = 20,900.11

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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.