Home / 102,593.90-141,575.85-64,374.05

Finding the Fourth Proportional to 102,593.90, 141,575.85 and 64,374.05

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Solution

The fourth proportional to 102,593.90, 141,575.85 and 64,374.05 is: 88,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,593.90 : 141,575.85 = 64,374.05 : x
  2. Step 2: Convert to fraction form
    102,593.90/141,575.85 = 64,374.05/x
  3. Step 3: Cross multiply
    102,593.90x = 141,575.85 × 64,374.05
  4. Step 4: Simplify right side
    102,593.90x = 9,113,810,138.81
  5. Step 5: Solve for x
    x = 9,113,810,138.81/102,593.90
  6. Step 6: Final answer
    x = 88,833.84

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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.