Home / 76,077.90-104,952.12-49,229.08

Finding the Fourth Proportional to 76,077.90, 104,952.12 and 49,229.08

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Solution

The fourth proportional to 76,077.90, 104,952.12 and 49,229.08 is: 67,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,077.90 : 104,952.12 = 49,229.08 : x
  2. Step 2: Convert to fraction form
    76,077.90/104,952.12 = 49,229.08/x
  3. Step 3: Cross multiply
    76,077.90x = 104,952.12 × 49,229.08
  4. Step 4: Simplify right side
    76,077.90x = 5,166,696,311.65
  5. Step 5: Solve for x
    x = 5,166,696,311.65/76,077.90
  6. Step 6: Final answer
    x = 67,913.24

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1.5x scale

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.