Home / 103,196.92-142,417.02-57,884.44

Finding the Fourth Proportional to 103,196.92, 142,417.02 and 57,884.44

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Solution

The fourth proportional to 103,196.92, 142,417.02 and 57,884.44 is: 79,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,196.92 : 142,417.02 = 57,884.44 : x
  2. Step 2: Convert to fraction form
    103,196.92/142,417.02 = 57,884.44/x
  3. Step 3: Cross multiply
    103,196.92x = 142,417.02 × 57,884.44
  4. Step 4: Simplify right side
    103,196.92x = 8,243,729,449.17
  5. Step 5: Solve for x
    x = 8,243,729,449.17/103,196.92
  6. Step 6: Final answer
    x = 79,883.48

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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.