Home / 99,502.32-149,097.14-69,486.96

Finding the Fourth Proportional to 99,502.32, 149,097.14 and 69,486.96

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Solution

The fourth proportional to 99,502.32, 149,097.14 and 69,486.96 is: 104,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,502.32 : 149,097.14 = 69,486.96 : x
  2. Step 2: Convert to fraction form
    99,502.32/149,097.14 = 69,486.96/x
  3. Step 3: Cross multiply
    99,502.32x = 149,097.14 × 69,486.96
  4. Step 4: Simplify right side
    99,502.32x = 10,360,307,003.29
  5. Step 5: Solve for x
    x = 10,360,307,003.29/99,502.32
  6. Step 6: Final answer
    x = 104,121.26

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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.