Home / 72,014.10-99,397.26-43,743.48

Finding the Fourth Proportional to 72,014.10, 99,397.26 and 43,743.48

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Solution

The fourth proportional to 72,014.10, 99,397.26 and 43,743.48 is: 60,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.10 : 99,397.26 = 43,743.48 : x
  2. Step 2: Convert to fraction form
    72,014.10/99,397.26 = 43,743.48/x
  3. Step 3: Cross multiply
    72,014.10x = 99,397.26 × 43,743.48
  4. Step 4: Simplify right side
    72,014.10x = 4,347,982,054.86
  5. Step 5: Solve for x
    x = 4,347,982,054.86/72,014.10
  6. Step 6: Final answer
    x = 60,376.82

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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.