Home / 102,175.83-140,927.24-70,354.98

Finding the Fourth Proportional to 102,175.83, 140,927.24 and 70,354.98

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Solution

The fourth proportional to 102,175.83, 140,927.24 and 70,354.98 is: 97,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,175.83 : 140,927.24 = 70,354.98 : x
  2. Step 2: Convert to fraction form
    102,175.83/140,927.24 = 70,354.98/x
  3. Step 3: Cross multiply
    102,175.83x = 140,927.24 × 70,354.98
  4. Step 4: Simplify right side
    102,175.83x = 9,914,933,327.54
  5. Step 5: Solve for x
    x = 9,914,933,327.54/102,175.83
  6. Step 6: Final answer
    x = 97,037.95

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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.