Home / 97,564.10-134,638.61-55,122.66

Finding the Fourth Proportional to 97,564.10, 134,638.61 and 55,122.66

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Solution

The fourth proportional to 97,564.10, 134,638.61 and 55,122.66 is: 76,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,564.10 : 134,638.61 = 55,122.66 : x
  2. Step 2: Convert to fraction form
    97,564.10/134,638.61 = 55,122.66/x
  3. Step 3: Cross multiply
    97,564.10x = 134,638.61 × 55,122.66
  4. Step 4: Simplify right side
    97,564.10x = 7,421,638,046.29
  5. Step 5: Solve for x
    x = 7,421,638,046.29/97,564.10
  6. Step 6: Final answer
    x = 76,069.36

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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.