Home / 79,355.18-119,036.66-31,963.87

Finding the Fourth Proportional to 79,355.18, 119,036.66 and 31,963.87

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Solution

The fourth proportional to 79,355.18, 119,036.66 and 31,963.87 is: 47,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.18 : 119,036.66 = 31,963.87 : x
  2. Step 2: Convert to fraction form
    79,355.18/119,036.66 = 31,963.87/x
  3. Step 3: Cross multiply
    79,355.18x = 119,036.66 × 31,963.87
  4. Step 4: Simplify right side
    79,355.18x = 3,804,872,280.74
  5. Step 5: Solve for x
    x = 3,804,872,280.74/79,355.18
  6. Step 6: Final answer
    x = 47,947.37

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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.