Home / 97,667.96-134,799.07-57,381.72

Finding the Fourth Proportional to 97,667.96, 134,799.07 and 57,381.72

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Solution

The fourth proportional to 97,667.96, 134,799.07 and 57,381.72 is: 79,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.96 : 134,799.07 = 57,381.72 : x
  2. Step 2: Convert to fraction form
    97,667.96/134,799.07 = 57,381.72/x
  3. Step 3: Cross multiply
    97,667.96x = 134,799.07 × 57,381.72
  4. Step 4: Simplify right side
    97,667.96x = 7,735,001,828.60
  5. Step 5: Solve for x
    x = 7,735,001,828.60/97,667.96
  6. Step 6: Final answer
    x = 79,196.92

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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.