Home / 75,387.46-104,027.03-45,172.03

Finding the Fourth Proportional to 75,387.46, 104,027.03 and 45,172.03

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Solution

The fourth proportional to 75,387.46, 104,027.03 and 45,172.03 is: 62,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.46 : 104,027.03 = 45,172.03 : x
  2. Step 2: Convert to fraction form
    75,387.46/104,027.03 = 45,172.03/x
  3. Step 3: Cross multiply
    75,387.46x = 104,027.03 × 45,172.03
  4. Step 4: Simplify right side
    75,387.46x = 4,699,112,252.58
  5. Step 5: Solve for x
    x = 4,699,112,252.58/75,387.46
  6. Step 6: Final answer
    x = 62,332.81

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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.