Home / 94,408.10-141,612.15-89,815.40

Finding the Fourth Proportional to 94,408.10, 141,612.15 and 89,815.40

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Solution

The fourth proportional to 94,408.10, 141,612.15 and 89,815.40 is: 134,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,408.10 : 141,612.15 = 89,815.40 : x
  2. Step 2: Convert to fraction form
    94,408.10/141,612.15 = 89,815.40/x
  3. Step 3: Cross multiply
    94,408.10x = 141,612.15 × 89,815.40
  4. Step 4: Simplify right side
    94,408.10x = 12,718,951,897.11
  5. Step 5: Solve for x
    x = 12,718,951,897.11/94,408.10
  6. Step 6: Final answer
    x = 134,723.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.