Home / 65,713.32-90,652.77-43,042.50

Finding the Fourth Proportional to 65,713.32, 90,652.77 and 43,042.50

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Solution

The fourth proportional to 65,713.32, 90,652.77 and 43,042.50 is: 59,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,713.32 : 90,652.77 = 43,042.50 : x
  2. Step 2: Convert to fraction form
    65,713.32/90,652.77 = 43,042.50/x
  3. Step 3: Cross multiply
    65,713.32x = 90,652.77 × 43,042.50
  4. Step 4: Simplify right side
    65,713.32x = 3,901,921,852.73
  5. Step 5: Solve for x
    x = 3,901,921,852.73/65,713.32
  6. Step 6: Final answer
    x = 59,377.94

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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.