Home / 54,603.84-75,273.12-38,639.04

Finding the Fourth Proportional to 54,603.84, 75,273.12 and 38,639.04

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Solution

The fourth proportional to 54,603.84, 75,273.12 and 38,639.04 is: 53,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.84 : 75,273.12 = 38,639.04 : x
  2. Step 2: Convert to fraction form
    54,603.84/75,273.12 = 38,639.04/x
  3. Step 3: Cross multiply
    54,603.84x = 75,273.12 × 38,639.04
  4. Step 4: Simplify right side
    54,603.84x = 2,908,481,094.60
  5. Step 5: Solve for x
    x = 2,908,481,094.60/54,603.84
  6. Step 6: Final answer
    x = 53,265.14

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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.