Home / 97,188.96-134,122.32-54,172.02

Finding the Fourth Proportional to 97,188.96, 134,122.32 and 54,172.02

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Solution

The fourth proportional to 97,188.96, 134,122.32 and 54,172.02 is: 74,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,188.96 : 134,122.32 = 54,172.02 : x
  2. Step 2: Convert to fraction form
    97,188.96/134,122.32 = 54,172.02/x
  3. Step 3: Cross multiply
    97,188.96x = 134,122.32 × 54,172.02
  4. Step 4: Simplify right side
    97,188.96x = 7,265,677,001.49
  5. Step 5: Solve for x
    x = 7,265,677,001.49/97,188.96
  6. Step 6: Final answer
    x = 74,758.25

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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.