Home / 64,727.24-89,351.12-43,518.80

Finding the Fourth Proportional to 64,727.24, 89,351.12 and 43,518.80

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Solution

The fourth proportional to 64,727.24, 89,351.12 and 43,518.80 is: 60,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.24 : 89,351.12 = 43,518.80 : x
  2. Step 2: Convert to fraction form
    64,727.24/89,351.12 = 43,518.80/x
  3. Step 3: Cross multiply
    64,727.24x = 89,351.12 × 43,518.80
  4. Step 4: Simplify right side
    64,727.24x = 3,888,453,521.06
  5. Step 5: Solve for x
    x = 3,888,453,521.06/64,727.24
  6. Step 6: Final answer
    x = 60,074.45

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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.