Home / 96,771.85-133,543.18-54,330.38

Finding the Fourth Proportional to 96,771.85, 133,543.18 and 54,330.38

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Solution

The fourth proportional to 96,771.85, 133,543.18 and 54,330.38 is: 74,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771.85 : 133,543.18 = 54,330.38 : x
  2. Step 2: Convert to fraction form
    96,771.85/133,543.18 = 54,330.38/x
  3. Step 3: Cross multiply
    96,771.85x = 133,543.18 × 54,330.38
  4. Step 4: Simplify right side
    96,771.85x = 7,255,451,616.79
  5. Step 5: Solve for x
    x = 7,255,451,616.79/96,771.85
  6. Step 6: Final answer
    x = 74,974.82

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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.