Home / 89,178.90-133,768.59-22,619.07

Finding the Fourth Proportional to 89,178.90, 133,768.59 and 22,619.07

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Solution

The fourth proportional to 89,178.90, 133,768.59 and 22,619.07 is: 33,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178.90 : 133,768.59 = 22,619.07 : x
  2. Step 2: Convert to fraction form
    89,178.90/133,768.59 = 22,619.07/x
  3. Step 3: Cross multiply
    89,178.90x = 133,768.59 × 22,619.07
  4. Step 4: Simplify right side
    89,178.90x = 3,025,721,101.01
  5. Step 5: Solve for x
    x = 3,025,721,101.01/89,178.90
  6. Step 6: Final answer
    x = 33,928.67

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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.