Home / 63,526.16-87,721.92-39,693.52

Finding the Fourth Proportional to 63,526.16, 87,721.92 and 39,693.52

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Solution

The fourth proportional to 63,526.16, 87,721.92 and 39,693.52 is: 54,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,526.16 : 87,721.92 = 39,693.52 : x
  2. Step 2: Convert to fraction form
    63,526.16/87,721.92 = 39,693.52/x
  3. Step 3: Cross multiply
    63,526.16x = 87,721.92 × 39,693.52
  4. Step 4: Simplify right side
    63,526.16x = 3,481,991,785.96
  5. Step 5: Solve for x
    x = 3,481,991,785.96/63,526.16
  6. Step 6: Final answer
    x = 54,811.94

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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.