Home / 102,234.87-141,089.54-56,916.81

Finding the Fourth Proportional to 102,234.87, 141,089.54 and 56,916.81

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Solution

The fourth proportional to 102,234.87, 141,089.54 and 56,916.81 is: 78,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,234.87 : 141,089.54 = 56,916.81 : x
  2. Step 2: Convert to fraction form
    102,234.87/141,089.54 = 56,916.81/x
  3. Step 3: Cross multiply
    102,234.87x = 141,089.54 × 56,916.81
  4. Step 4: Simplify right side
    102,234.87x = 8,030,366,256.58
  5. Step 5: Solve for x
    x = 8,030,366,256.58/102,234.87
  6. Step 6: Final answer
    x = 78,548.21

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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.