Home / 77,377.04-106,680.38-50,104.64

Finding the Fourth Proportional to 77,377.04, 106,680.38 and 50,104.64

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Solution

The fourth proportional to 77,377.04, 106,680.38 and 50,104.64 is: 69,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,377.04 : 106,680.38 = 50,104.64 : x
  2. Step 2: Convert to fraction form
    77,377.04/106,680.38 = 50,104.64/x
  3. Step 3: Cross multiply
    77,377.04x = 106,680.38 × 50,104.64
  4. Step 4: Simplify right side
    77,377.04x = 5,345,182,051.14
  5. Step 5: Solve for x
    x = 5,345,182,051.14/77,377.04
  6. Step 6: Final answer
    x = 69,079.69

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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.