Home / 102,873.94-154,170.79-57,916.76

Finding the Fourth Proportional to 102,873.94, 154,170.79 and 57,916.76

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Solution

The fourth proportional to 102,873.94, 154,170.79 and 57,916.76 is: 86,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,873.94 : 154,170.79 = 57,916.76 : x
  2. Step 2: Convert to fraction form
    102,873.94/154,170.79 = 57,916.76/x
  3. Step 3: Cross multiply
    102,873.94x = 154,170.79 × 57,916.76
  4. Step 4: Simplify right side
    102,873.94x = 8,929,071,727.79
  5. Step 5: Solve for x
    x = 8,929,071,727.79/102,873.94
  6. Step 6: Final answer
    x = 86,796.25

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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.