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Finding the Fourth Proportional to 85,595.39, 118,137.85 and 57,350.15

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Solution

The fourth proportional to 85,595.39, 118,137.85 and 57,350.15 is: 79,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.39 : 118,137.85 = 57,350.15 : x
  2. Step 2: Convert to fraction form
    85,595.39/118,137.85 = 57,350.15/x
  3. Step 3: Cross multiply
    85,595.39x = 118,137.85 × 57,350.15
  4. Step 4: Simplify right side
    85,595.39x = 6,775,222,684.11
  5. Step 5: Solve for x
    x = 6,775,222,684.11/85,595.39
  6. Step 6: Final answer
    x = 79,154.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.