Home / 54,053.76-81,107.52-30,346.56

Finding the Fourth Proportional to 54,053.76, 81,107.52 and 30,346.56

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Solution

The fourth proportional to 54,053.76, 81,107.52 and 30,346.56 is: 45,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.76 : 81,107.52 = 30,346.56 : x
  2. Step 2: Convert to fraction form
    54,053.76/81,107.52 = 30,346.56/x
  3. Step 3: Cross multiply
    54,053.76x = 81,107.52 × 30,346.56
  4. Step 4: Simplify right side
    54,053.76x = 2,461,334,222.13
  5. Step 5: Solve for x
    x = 2,461,334,222.13/54,053.76
  6. Step 6: Final answer
    x = 45,534.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.