Home / 97,962.72-135,187.92-53,250.72

Finding the Fourth Proportional to 97,962.72, 135,187.92 and 53,250.72

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Solution

The fourth proportional to 97,962.72, 135,187.92 and 53,250.72 is: 73,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,962.72 : 135,187.92 = 53,250.72 : x
  2. Step 2: Convert to fraction form
    97,962.72/135,187.92 = 53,250.72/x
  3. Step 3: Cross multiply
    97,962.72x = 135,187.92 × 53,250.72
  4. Step 4: Simplify right side
    97,962.72x = 7,198,854,075.30
  5. Step 5: Solve for x
    x = 7,198,854,075.30/97,962.72
  6. Step 6: Final answer
    x = 73,485.65

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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.