Home / 64,727.74-89,351.81-43,519.30

Finding the Fourth Proportional to 64,727.74, 89,351.81 and 43,519.30

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Solution

The fourth proportional to 64,727.74, 89,351.81 and 43,519.30 is: 60,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.74 : 89,351.81 = 43,519.30 : x
  2. Step 2: Convert to fraction form
    64,727.74/89,351.81 = 43,519.30/x
  3. Step 3: Cross multiply
    64,727.74x = 89,351.81 × 43,519.30
  4. Step 4: Simplify right side
    64,727.74x = 3,888,528,224.93
  5. Step 5: Solve for x
    x = 3,888,528,224.93/64,727.74
  6. Step 6: Final answer
    x = 60,075.14

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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.