Home / 54,750.94-75,487.85-45,689.32

Finding the Fourth Proportional to 54,750.94, 75,487.85 and 45,689.32

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Solution

The fourth proportional to 54,750.94, 75,487.85 and 45,689.32 is: 62,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.94 : 75,487.85 = 45,689.32 : x
  2. Step 2: Convert to fraction form
    54,750.94/75,487.85 = 45,689.32/x
  3. Step 3: Cross multiply
    54,750.94x = 75,487.85 × 45,689.32
  4. Step 4: Simplify right side
    54,750.94x = 3,448,988,147.39
  5. Step 5: Solve for x
    x = 3,448,988,147.39/54,750.94
  6. Step 6: Final answer
    x = 62,994.14

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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.