Home / 49,201.70-73,802.55-45,400.10

Finding the Fourth Proportional to 49,201.70, 73,802.55 and 45,400.10

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Solution

The fourth proportional to 49,201.70, 73,802.55 and 45,400.10 is: 68,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201.70 : 73,802.55 = 45,400.10 : x
  2. Step 2: Convert to fraction form
    49,201.70/73,802.55 = 45,400.10/x
  3. Step 3: Cross multiply
    49,201.70x = 73,802.55 × 45,400.10
  4. Step 4: Simplify right side
    49,201.70x = 3,350,643,150.26
  5. Step 5: Solve for x
    x = 3,350,643,150.26/49,201.70
  6. Step 6: Final answer
    x = 68,100.15

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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.