Home / 88,821.77-133,117.83-66,459.69

Finding the Fourth Proportional to 88,821.77, 133,117.83 and 66,459.69

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Solution

The fourth proportional to 88,821.77, 133,117.83 and 66,459.69 is: 99,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821.77 : 133,117.83 = 66,459.69 : x
  2. Step 2: Convert to fraction form
    88,821.77/133,117.83 = 66,459.69/x
  3. Step 3: Cross multiply
    88,821.77x = 133,117.83 × 66,459.69
  4. Step 4: Simplify right side
    88,821.77x = 8,846,969,715.27
  5. Step 5: Solve for x
    x = 8,846,969,715.27/88,821.77
  6. Step 6: Final answer
    x = 99,603.62

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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.