Home / 63,439.32-87,586.60-39,601.02

Finding the Fourth Proportional to 63,439.32, 87,586.60 and 39,601.02

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Solution

The fourth proportional to 63,439.32, 87,586.60 and 39,601.02 is: 54,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,439.32 : 87,586.60 = 39,601.02 : x
  2. Step 2: Convert to fraction form
    63,439.32/87,586.60 = 39,601.02/x
  3. Step 3: Cross multiply
    63,439.32x = 87,586.60 × 39,601.02
  4. Step 4: Simplify right side
    63,439.32x = 3,468,518,698.33
  5. Step 5: Solve for x
    x = 3,468,518,698.33/63,439.32
  6. Step 6: Final answer
    x = 54,674.59

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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.