Home / 54,638.78-75,412.74-34,482.12

Finding the Fourth Proportional to 54,638.78, 75,412.74 and 34,482.12

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Solution

The fourth proportional to 54,638.78, 75,412.74 and 34,482.12 is: 47,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,638.78 : 75,412.74 = 34,482.12 : x
  2. Step 2: Convert to fraction form
    54,638.78/75,412.74 = 34,482.12/x
  3. Step 3: Cross multiply
    54,638.78x = 75,412.74 × 34,482.12
  4. Step 4: Simplify right side
    54,638.78x = 2,600,391,150.21
  5. Step 5: Solve for x
    x = 2,600,391,150.21/54,638.78
  6. Step 6: Final answer
    x = 47,592.41

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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.