Home / 89,123.05-133,679.66-29,952.61

Finding the Fourth Proportional to 89,123.05, 133,679.66 and 29,952.61

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Solution

The fourth proportional to 89,123.05, 133,679.66 and 29,952.61 is: 44,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,123.05 : 133,679.66 = 29,952.61 : x
  2. Step 2: Convert to fraction form
    89,123.05/133,679.66 = 29,952.61/x
  3. Step 3: Cross multiply
    89,123.05x = 133,679.66 × 29,952.61
  4. Step 4: Simplify right side
    89,123.05x = 4,004,054,571.15
  5. Step 5: Solve for x
    x = 4,004,054,571.15/89,123.05
  6. Step 6: Final answer
    x = 44,927.26

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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.