Home / 96,578.76-133,278.27-54,137.30

Finding the Fourth Proportional to 96,578.76, 133,278.27 and 54,137.30

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Solution

The fourth proportional to 96,578.76, 133,278.27 and 54,137.30 is: 74,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,578.76 : 133,278.27 = 54,137.30 : x
  2. Step 2: Convert to fraction form
    96,578.76/133,278.27 = 54,137.30/x
  3. Step 3: Cross multiply
    96,578.76x = 133,278.27 × 54,137.30
  4. Step 4: Simplify right side
    96,578.76x = 7,215,325,686.47
  5. Step 5: Solve for x
    x = 7,215,325,686.47/96,578.76
  6. Step 6: Final answer
    x = 74,709.24

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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.