Home / 88,505.71-122,133.62-50,260.21

Finding the Fourth Proportional to 88,505.71, 122,133.62 and 50,260.21

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Solution

The fourth proportional to 88,505.71, 122,133.62 and 50,260.21 is: 69,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,505.71 : 122,133.62 = 50,260.21 : x
  2. Step 2: Convert to fraction form
    88,505.71/122,133.62 = 50,260.21/x
  3. Step 3: Cross multiply
    88,505.71x = 122,133.62 × 50,260.21
  4. Step 4: Simplify right side
    88,505.71x = 6,138,461,209.58
  5. Step 5: Solve for x
    x = 6,138,461,209.58/88,505.71
  6. Step 6: Final answer
    x = 69,356.67

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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.