Home / 97,868.25-135,058.32-53,156.25

Finding the Fourth Proportional to 97,868.25, 135,058.32 and 53,156.25

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Solution

The fourth proportional to 97,868.25, 135,058.32 and 53,156.25 is: 73,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,868.25 : 135,058.32 = 53,156.25 : x
  2. Step 2: Convert to fraction form
    97,868.25/135,058.32 = 53,156.25/x
  3. Step 3: Cross multiply
    97,868.25x = 135,058.32 × 53,156.25
  4. Step 4: Simplify right side
    97,868.25x = 7,179,193,822.50
  5. Step 5: Solve for x
    x = 7,179,193,822.50/97,868.25
  6. Step 6: Final answer
    x = 73,355.70

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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.