Home / 117,134.04-161,644.74-63,419.10

Finding the Fourth Proportional to 117,134.04, 161,644.74 and 63,419.10

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Solution

The fourth proportional to 117,134.04, 161,644.74 and 63,419.10 is: 87,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,134.04 : 161,644.74 = 63,419.10 : x
  2. Step 2: Convert to fraction form
    117,134.04/161,644.74 = 63,419.10/x
  3. Step 3: Cross multiply
    117,134.04x = 161,644.74 × 63,419.10
  4. Step 4: Simplify right side
    117,134.04x = 10,251,363,930.53
  5. Step 5: Solve for x
    x = 10,251,363,930.53/117,134.04
  6. Step 6: Final answer
    x = 87,518.23

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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.