Home / 97,926.72-135,090.81-63,919.50

Finding the Fourth Proportional to 97,926.72, 135,090.81 and 63,919.50

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Solution

The fourth proportional to 97,926.72, 135,090.81 and 63,919.50 is: 88,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,926.72 : 135,090.81 = 63,919.50 : x
  2. Step 2: Convert to fraction form
    97,926.72/135,090.81 = 63,919.50/x
  3. Step 3: Cross multiply
    97,926.72x = 135,090.81 × 63,919.50
  4. Step 4: Simplify right side
    97,926.72x = 8,634,937,029.80
  5. Step 5: Solve for x
    x = 8,634,937,029.80/97,926.72
  6. Step 6: Final answer
    x = 88,177.54

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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.