Home / 97,844.60-135,092.94-72,356.60

Finding the Fourth Proportional to 97,844.60, 135,092.94 and 72,356.60

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Solution

The fourth proportional to 97,844.60, 135,092.94 and 72,356.60 is: 99,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,844.60 : 135,092.94 = 72,356.60 : x
  2. Step 2: Convert to fraction form
    97,844.60/135,092.94 = 72,356.60/x
  3. Step 3: Cross multiply
    97,844.60x = 135,092.94 × 72,356.60
  4. Step 4: Simplify right side
    97,844.60x = 9,774,865,822.40
  5. Step 5: Solve for x
    x = 9,774,865,822.40/97,844.60
  6. Step 6: Final answer
    x = 99,901.94

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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.