Home / 102,408.10-141,323.78-57,088.96

Finding the Fourth Proportional to 102,408.10, 141,323.78 and 57,088.96

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Solution

The fourth proportional to 102,408.10, 141,323.78 and 57,088.96 is: 78,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,408.10 : 141,323.78 = 57,088.96 : x
  2. Step 2: Convert to fraction form
    102,408.10/141,323.78 = 57,088.96/x
  3. Step 3: Cross multiply
    102,408.10x = 141,323.78 × 57,088.96
  4. Step 4: Simplify right side
    102,408.10x = 8,068,027,623.47
  5. Step 5: Solve for x
    x = 8,068,027,623.47/102,408.10
  6. Step 6: Final answer
    x = 78,783.10

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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.