Home / 63,639.75-87,822.86-35,348.07

Finding the Fourth Proportional to 63,639.75, 87,822.86 and 35,348.07

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Solution

The fourth proportional to 63,639.75, 87,822.86 and 35,348.07 is: 48,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.75 : 87,822.86 = 35,348.07 : x
  2. Step 2: Convert to fraction form
    63,639.75/87,822.86 = 35,348.07/x
  3. Step 3: Cross multiply
    63,639.75x = 87,822.86 × 35,348.07
  4. Step 4: Simplify right side
    63,639.75x = 3,104,368,426.14
  5. Step 5: Solve for x
    x = 3,104,368,426.14/63,639.75
  6. Step 6: Final answer
    x = 48,780.34

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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.