Home / 89,087.85-133,590.02-51,658.56

Finding the Fourth Proportional to 89,087.85, 133,590.02 and 51,658.56

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Solution

The fourth proportional to 89,087.85, 133,590.02 and 51,658.56 is: 77,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,087.85 : 133,590.02 = 51,658.56 : x
  2. Step 2: Convert to fraction form
    89,087.85/133,590.02 = 51,658.56/x
  3. Step 3: Cross multiply
    89,087.85x = 133,590.02 × 51,658.56
  4. Step 4: Simplify right side
    89,087.85x = 6,901,067,805.28
  5. Step 5: Solve for x
    x = 6,901,067,805.28/89,087.85
  6. Step 6: Final answer
    x = 77,463.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.