Home / 98,077.92-135,352.04-54,470.67

Finding the Fourth Proportional to 98,077.92, 135,352.04 and 54,470.67

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Solution

The fourth proportional to 98,077.92, 135,352.04 and 54,470.67 is: 75,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.92 : 135,352.04 = 54,470.67 : x
  2. Step 2: Convert to fraction form
    98,077.92/135,352.04 = 54,470.67/x
  3. Step 3: Cross multiply
    98,077.92x = 135,352.04 × 54,470.67
  4. Step 4: Simplify right side
    98,077.92x = 7,372,716,032.31
  5. Step 5: Solve for x
    x = 7,372,716,032.31/98,077.92
  6. Step 6: Final answer
    x = 75,172.03

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1.5x scale

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.