Home / 71,057.09-98,045.15-42,764.60

Finding the Fourth Proportional to 71,057.09, 98,045.15 and 42,764.60

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Solution

The fourth proportional to 71,057.09, 98,045.15 and 42,764.60 is: 59,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.09 : 98,045.15 = 42,764.60 : x
  2. Step 2: Convert to fraction form
    71,057.09/98,045.15 = 42,764.60/x
  3. Step 3: Cross multiply
    71,057.09x = 98,045.15 × 42,764.60
  4. Step 4: Simplify right side
    71,057.09x = 4,192,860,917.64
  5. Step 5: Solve for x
    x = 4,192,860,917.64/71,057.09
  6. Step 6: Final answer
    x = 59,006.94

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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.