Home / 117,591.60-162,214.18-74,495.04

Finding the Fourth Proportional to 117,591.60, 162,214.18 and 74,495.04

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Solution

The fourth proportional to 117,591.60, 162,214.18 and 74,495.04 is: 102,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.60 : 162,214.18 = 74,495.04 : x
  2. Step 2: Convert to fraction form
    117,591.60/162,214.18 = 74,495.04/x
  3. Step 3: Cross multiply
    117,591.60x = 162,214.18 × 74,495.04
  4. Step 4: Simplify right side
    117,591.60x = 12,084,151,827.67
  5. Step 5: Solve for x
    x = 12,084,151,827.67/117,591.60
  6. Step 6: Final answer
    x = 102,763.73

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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.