Home / 96,618.65-133,333.75-54,177.20

Finding the Fourth Proportional to 96,618.65, 133,333.75 and 54,177.20

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Solution

The fourth proportional to 96,618.65, 133,333.75 and 54,177.20 is: 74,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,618.65 : 133,333.75 = 54,177.20 : x
  2. Step 2: Convert to fraction form
    96,618.65/133,333.75 = 54,177.20/x
  3. Step 3: Cross multiply
    96,618.65x = 133,333.75 × 54,177.20
  4. Step 4: Simplify right side
    96,618.65x = 7,223,648,438.39
  5. Step 5: Solve for x
    x = 7,223,648,438.39/96,618.65
  6. Step 6: Final answer
    x = 74,764.54

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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.