Home / 89,322.35-133,808.36-51,803.61

Finding the Fourth Proportional to 89,322.35, 133,808.36 and 51,803.61

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Solution

The fourth proportional to 89,322.35, 133,808.36 and 51,803.61 is: 77,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,322.35 : 133,808.36 = 51,803.61 : x
  2. Step 2: Convert to fraction form
    89,322.35/133,808.36 = 51,803.61/x
  3. Step 3: Cross multiply
    89,322.35x = 133,808.36 × 51,803.61
  4. Step 4: Simplify right side
    89,322.35x = 6,931,755,723.91
  5. Step 5: Solve for x
    x = 6,931,755,723.91/89,322.35
  6. Step 6: Final answer
    x = 77,603.82

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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.