Home / 63,569.20-87,729.66-36,712.84

Finding the Fourth Proportional to 63,569.20, 87,729.66 and 36,712.84

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Solution

The fourth proportional to 63,569.20, 87,729.66 and 36,712.84 is: 50,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,569.20 : 87,729.66 = 36,712.84 : x
  2. Step 2: Convert to fraction form
    63,569.20/87,729.66 = 36,712.84/x
  3. Step 3: Cross multiply
    63,569.20x = 87,729.66 × 36,712.84
  4. Step 4: Simplify right side
    63,569.20x = 3,220,804,970.83
  5. Step 5: Solve for x
    x = 3,220,804,970.83/63,569.20
  6. Step 6: Final answer
    x = 50,666.12

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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.