Home / 90,448.62-124,810.91-50,162.25

Finding the Fourth Proportional to 90,448.62, 124,810.91 and 50,162.25

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Solution

The fourth proportional to 90,448.62, 124,810.91 and 50,162.25 is: 69,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.62 : 124,810.91 = 50,162.25 : x
  2. Step 2: Convert to fraction form
    90,448.62/124,810.91 = 50,162.25/x
  3. Step 3: Cross multiply
    90,448.62x = 124,810.91 × 50,162.25
  4. Step 4: Simplify right side
    90,448.62x = 6,260,796,475.49
  5. Step 5: Solve for x
    x = 6,260,796,475.49/90,448.62
  6. Step 6: Final answer
    x = 69,219.37

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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.