Home / 63,583.48-87,741.12-39,708.73

Finding the Fourth Proportional to 63,583.48, 87,741.12 and 39,708.73

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Solution

The fourth proportional to 63,583.48, 87,741.12 and 39,708.73 is: 54,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,583.48 : 87,741.12 = 39,708.73 : x
  2. Step 2: Convert to fraction form
    63,583.48/87,741.12 = 39,708.73/x
  3. Step 3: Cross multiply
    63,583.48x = 87,741.12 × 39,708.73
  4. Step 4: Simplify right side
    63,583.48x = 3,484,088,443.98
  5. Step 5: Solve for x
    x = 3,484,088,443.98/63,583.48
  6. Step 6: Final answer
    x = 54,795.50

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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.