Home / 90,351.05-124,680.87-50,066.51

Finding the Fourth Proportional to 90,351.05, 124,680.87 and 50,066.51

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Solution

The fourth proportional to 90,351.05, 124,680.87 and 50,066.51 is: 69,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.05 : 124,680.87 = 50,066.51 : x
  2. Step 2: Convert to fraction form
    90,351.05/124,680.87 = 50,066.51/x
  3. Step 3: Cross multiply
    90,351.05x = 124,680.87 × 50,066.51
  4. Step 4: Simplify right side
    90,351.05x = 6,242,335,401.26
  5. Step 5: Solve for x
    x = 6,242,335,401.26/90,351.05
  6. Step 6: Final answer
    x = 69,089.80

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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.