Home / 117,083.37-161,575.28-63,368.85

Finding the Fourth Proportional to 117,083.37, 161,575.28 and 63,368.85

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Solution

The fourth proportional to 117,083.37, 161,575.28 and 63,368.85 is: 87,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,083.37 : 161,575.28 = 63,368.85 : x
  2. Step 2: Convert to fraction form
    117,083.37/161,575.28 = 63,368.85/x
  3. Step 3: Cross multiply
    117,083.37x = 161,575.28 × 63,368.85
  4. Step 4: Simplify right side
    117,083.37x = 10,238,839,365.18
  5. Step 5: Solve for x
    x = 10,238,839,365.18/117,083.37
  6. Step 6: Final answer
    x = 87,449.13

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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.