Home / 96,557.78-133,249.56-54,116.30

Finding the Fourth Proportional to 96,557.78, 133,249.56 and 54,116.30

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Solution

The fourth proportional to 96,557.78, 133,249.56 and 54,116.30 is: 74,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,557.78 : 133,249.56 = 54,116.30 : x
  2. Step 2: Convert to fraction form
    96,557.78/133,249.56 = 54,116.30/x
  3. Step 3: Cross multiply
    96,557.78x = 133,249.56 × 54,116.30
  4. Step 4: Simplify right side
    96,557.78x = 7,210,973,163.83
  5. Step 5: Solve for x
    x = 7,210,973,163.83/96,557.78
  6. Step 6: Final answer
    x = 74,680.40

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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.