Home / 97,109.07-134,023.28-54,675.87

Finding the Fourth Proportional to 97,109.07, 134,023.28 and 54,675.87

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Solution

The fourth proportional to 97,109.07, 134,023.28 and 54,675.87 is: 75,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,109.07 : 134,023.28 = 54,675.87 : x
  2. Step 2: Convert to fraction form
    97,109.07/134,023.28 = 54,675.87/x
  3. Step 3: Cross multiply
    97,109.07x = 134,023.28 × 54,675.87
  4. Step 4: Simplify right side
    97,109.07x = 7,327,839,434.25
  5. Step 5: Solve for x
    x = 7,327,839,434.25/97,109.07
  6. Step 6: Final answer
    x = 75,459.89

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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.