Home / 61,137.14-91,714.28-57,775.64

Finding the Fourth Proportional to 61,137.14, 91,714.28 and 57,775.64

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Solution

The fourth proportional to 61,137.14, 91,714.28 and 57,775.64 is: 86,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.14 : 91,714.28 = 57,775.64 : x
  2. Step 2: Convert to fraction form
    61,137.14/91,714.28 = 57,775.64/x
  3. Step 3: Cross multiply
    61,137.14x = 91,714.28 × 57,775.64
  4. Step 4: Simplify right side
    61,137.14x = 5,298,850,476.69
  5. Step 5: Solve for x
    x = 5,298,850,476.69/61,137.14
  6. Step 6: Final answer
    x = 86,671.55

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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.