Home / 97,667.28-146,502.14-31,107.15

Finding the Fourth Proportional to 97,667.28, 146,502.14 and 31,107.15

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Solution

The fourth proportional to 97,667.28, 146,502.14 and 31,107.15 is: 46,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.28 : 146,502.14 = 31,107.15 : x
  2. Step 2: Convert to fraction form
    97,667.28/146,502.14 = 31,107.15/x
  3. Step 3: Cross multiply
    97,667.28x = 146,502.14 × 31,107.15
  4. Step 4: Simplify right side
    97,667.28x = 4,557,263,888.77
  5. Step 5: Solve for x
    x = 4,557,263,888.77/97,667.28
  6. Step 6: Final answer
    x = 46,661.11

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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.