Home / 88,466.08-121,940.90-59,776.78

Finding the Fourth Proportional to 88,466.08, 121,940.90 and 59,776.78

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Solution

The fourth proportional to 88,466.08, 121,940.90 and 59,776.78 is: 82,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,466.08 : 121,940.90 = 59,776.78 : x
  2. Step 2: Convert to fraction form
    88,466.08/121,940.90 = 59,776.78/x
  3. Step 3: Cross multiply
    88,466.08x = 121,940.90 × 59,776.78
  4. Step 4: Simplify right side
    88,466.08x = 7,289,234,352.30
  5. Step 5: Solve for x
    x = 7,289,234,352.30/88,466.08
  6. Step 6: Final answer
    x = 82,395.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.