Home / 75,787.30-104,585.10-41,798.94

Finding the Fourth Proportional to 75,787.30, 104,585.10 and 41,798.94

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Solution

The fourth proportional to 75,787.30, 104,585.10 and 41,798.94 is: 57,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.30 : 104,585.10 = 41,798.94 : x
  2. Step 2: Convert to fraction form
    75,787.30/104,585.10 = 41,798.94/x
  3. Step 3: Cross multiply
    75,787.30x = 104,585.10 × 41,798.94
  4. Step 4: Simplify right side
    75,787.30x = 4,371,545,888.41
  5. Step 5: Solve for x
    x = 4,371,545,888.41/75,787.30
  6. Step 6: Final answer
    x = 57,681.77

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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.