Home / 75,787.72-104,509.60-50,285.16

Finding the Fourth Proportional to 75,787.72, 104,509.60 and 50,285.16

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Solution

The fourth proportional to 75,787.72, 104,509.60 and 50,285.16 is: 69,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.72 : 104,509.60 = 50,285.16 : x
  2. Step 2: Convert to fraction form
    75,787.72/104,509.60 = 50,285.16/x
  3. Step 3: Cross multiply
    75,787.72x = 104,509.60 × 50,285.16
  4. Step 4: Simplify right side
    75,787.72x = 5,255,281,957.54
  5. Step 5: Solve for x
    x = 5,255,281,957.54/75,787.72
  6. Step 6: Final answer
    x = 69,342.13

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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.