Home / 81,051.24-111,859.14-45,253.56

Finding the Fourth Proportional to 81,051.24, 111,859.14 and 45,253.56

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Solution

The fourth proportional to 81,051.24, 111,859.14 and 45,253.56 is: 62,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,051.24 : 111,859.14 = 45,253.56 : x
  2. Step 2: Convert to fraction form
    81,051.24/111,859.14 = 45,253.56/x
  3. Step 3: Cross multiply
    81,051.24x = 111,859.14 × 45,253.56
  4. Step 4: Simplify right side
    81,051.24x = 5,062,024,303.54
  5. Step 5: Solve for x
    x = 5,062,024,303.54/81,051.24
  6. Step 6: Final answer
    x = 62,454.62

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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.