Home / 54,578.54-75,317.65-30,705.24

Finding the Fourth Proportional to 54,578.54, 75,317.65 and 30,705.24

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Solution

The fourth proportional to 54,578.54, 75,317.65 and 30,705.24 is: 42,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.54 : 75,317.65 = 30,705.24 : x
  2. Step 2: Convert to fraction form
    54,578.54/75,317.65 = 30,705.24/x
  3. Step 3: Cross multiply
    54,578.54x = 75,317.65 × 30,705.24
  4. Step 4: Simplify right side
    54,578.54x = 2,312,646,725.16
  5. Step 5: Solve for x
    x = 2,312,646,725.16/54,578.54
  6. Step 6: Final answer
    x = 42,372.82

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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.