Home / 89,485.56-134,109.27-47,356.65

Finding the Fourth Proportional to 89,485.56, 134,109.27 and 47,356.65

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Solution

The fourth proportional to 89,485.56, 134,109.27 and 47,356.65 is: 70,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.56 : 134,109.27 = 47,356.65 : x
  2. Step 2: Convert to fraction form
    89,485.56/134,109.27 = 47,356.65/x
  3. Step 3: Cross multiply
    89,485.56x = 134,109.27 × 47,356.65
  4. Step 4: Simplify right side
    89,485.56x = 6,350,965,761.15
  5. Step 5: Solve for x
    x = 6,350,965,761.15/89,485.56
  6. Step 6: Final answer
    x = 70,971.96

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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.