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Finding the Fourth Proportional to 89,804.56, 134,502.93 and 69,652.27

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Solution

The fourth proportional to 89,804.56, 134,502.93 and 69,652.27 is: 104,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,804.56 : 134,502.93 = 69,652.27 : x
  2. Step 2: Convert to fraction form
    89,804.56/134,502.93 = 69,652.27/x
  3. Step 3: Cross multiply
    89,804.56x = 134,502.93 × 69,652.27
  4. Step 4: Simplify right side
    89,804.56x = 9,368,434,396.15
  5. Step 5: Solve for x
    x = 9,368,434,396.15/89,804.56
  6. Step 6: Final answer
    x = 104,320.25

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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.