Home / 77,275.44-106,602.48-50,405.76

Finding the Fourth Proportional to 77,275.44, 106,602.48 and 50,405.76

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Solution

The fourth proportional to 77,275.44, 106,602.48 and 50,405.76 is: 69,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.44 : 106,602.48 = 50,405.76 : x
  2. Step 2: Convert to fraction form
    77,275.44/106,602.48 = 50,405.76/x
  3. Step 3: Cross multiply
    77,275.44x = 106,602.48 × 50,405.76
  4. Step 4: Simplify right side
    77,275.44x = 5,373,379,022.28
  5. Step 5: Solve for x
    x = 5,373,379,022.28/77,275.44
  6. Step 6: Final answer
    x = 69,535.41

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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.