Home / 61,213.36-91,877.64-30,070.96

Finding the Fourth Proportional to 61,213.36, 91,877.64 and 30,070.96

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Solution

The fourth proportional to 61,213.36, 91,877.64 and 30,070.96 is: 45,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,213.36 : 91,877.64 = 30,070.96 : x
  2. Step 2: Convert to fraction form
    61,213.36/91,877.64 = 30,070.96/x
  3. Step 3: Cross multiply
    61,213.36x = 91,877.64 × 30,070.96
  4. Step 4: Simplify right side
    61,213.36x = 2,762,848,837.33
  5. Step 5: Solve for x
    x = 2,762,848,837.33/61,213.36
  6. Step 6: Final answer
    x = 45,134.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.