Home / 77,431.25-106,876.02-50,573.18

Finding the Fourth Proportional to 77,431.25, 106,876.02 and 50,573.18

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Solution

The fourth proportional to 77,431.25, 106,876.02 and 50,573.18 is: 69,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,431.25 : 106,876.02 = 50,573.18 : x
  2. Step 2: Convert to fraction form
    77,431.25/106,876.02 = 50,573.18/x
  3. Step 3: Cross multiply
    77,431.25x = 106,876.02 × 50,573.18
  4. Step 4: Simplify right side
    77,431.25x = 5,405,060,653.98
  5. Step 5: Solve for x
    x = 5,405,060,653.98/77,431.25
  6. Step 6: Final answer
    x = 69,804.64

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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.