Home / 77,199.28-106,538.04-50,359.60

Finding the Fourth Proportional to 77,199.28, 106,538.04 and 50,359.60

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Solution

The fourth proportional to 77,199.28, 106,538.04 and 50,359.60 is: 69,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.28 : 106,538.04 = 50,359.60 : x
  2. Step 2: Convert to fraction form
    77,199.28/106,538.04 = 50,359.60/x
  3. Step 3: Cross multiply
    77,199.28x = 106,538.04 × 50,359.60
  4. Step 4: Simplify right side
    77,199.28x = 5,365,213,079.18
  5. Step 5: Solve for x
    x = 5,365,213,079.18/77,199.28
  6. Step 6: Final answer
    x = 69,498.23

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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.