Home / 89,249.62-133,831.32-51,819.10

Finding the Fourth Proportional to 89,249.62, 133,831.32 and 51,819.10

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Solution

The fourth proportional to 89,249.62, 133,831.32 and 51,819.10 is: 77,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249.62 : 133,831.32 = 51,819.10 : x
  2. Step 2: Convert to fraction form
    89,249.62/133,831.32 = 51,819.10/x
  3. Step 3: Cross multiply
    89,249.62x = 133,831.32 × 51,819.10
  4. Step 4: Simplify right side
    89,249.62x = 6,935,018,554.21
  5. Step 5: Solve for x
    x = 6,935,018,554.21/89,249.62
  6. Step 6: Final answer
    x = 77,703.62

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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.