Home / 104,942.76-157,417.98-42,611.88

Finding the Fourth Proportional to 104,942.76, 157,417.98 and 42,611.88

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Solution

The fourth proportional to 104,942.76, 157,417.98 and 42,611.88 is: 63,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,942.76 : 157,417.98 = 42,611.88 : x
  2. Step 2: Convert to fraction form
    104,942.76/157,417.98 = 42,611.88/x
  3. Step 3: Cross multiply
    104,942.76x = 157,417.98 × 42,611.88
  4. Step 4: Simplify right side
    104,942.76x = 6,707,876,073.60
  5. Step 5: Solve for x
    x = 6,707,876,073.60/104,942.76
  6. Step 6: Final answer
    x = 63,919.38

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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.