Home / 51,649.94-71,318.93-42,091.23

Finding the Fourth Proportional to 51,649.94, 71,318.93 and 42,091.23

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Solution

The fourth proportional to 51,649.94, 71,318.93 and 42,091.23 is: 58,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.94 : 71,318.93 = 42,091.23 : x
  2. Step 2: Convert to fraction form
    51,649.94/71,318.93 = 42,091.23/x
  3. Step 3: Cross multiply
    51,649.94x = 71,318.93 × 42,091.23
  4. Step 4: Simplify right side
    51,649.94x = 3,001,901,275.53
  5. Step 5: Solve for x
    x = 3,001,901,275.53/51,649.94
  6. Step 6: Final answer
    x = 58,120.14

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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.