Home / 54,901.44-75,759.84-31,028.16

Finding the Fourth Proportional to 54,901.44, 75,759.84 and 31,028.16

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Solution

The fourth proportional to 54,901.44, 75,759.84 and 31,028.16 is: 42,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.44 : 75,759.84 = 31,028.16 : x
  2. Step 2: Convert to fraction form
    54,901.44/75,759.84 = 31,028.16/x
  3. Step 3: Cross multiply
    54,901.44x = 75,759.84 × 31,028.16
  4. Step 4: Simplify right side
    54,901.44x = 2,350,688,437.09
  5. Step 5: Solve for x
    x = 2,350,688,437.09/54,901.44
  6. Step 6: Final answer
    x = 42,816.52

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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.