Home / 63,739.08-87,943.86-38,583.72

Finding the Fourth Proportional to 63,739.08, 87,943.86 and 38,583.72

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Solution

The fourth proportional to 63,739.08, 87,943.86 and 38,583.72 is: 53,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,739.08 : 87,943.86 = 38,583.72 : x
  2. Step 2: Convert to fraction form
    63,739.08/87,943.86 = 38,583.72/x
  3. Step 3: Cross multiply
    63,739.08x = 87,943.86 × 38,583.72
  4. Step 4: Simplify right side
    63,739.08x = 3,393,201,269.96
  5. Step 5: Solve for x
    x = 3,393,201,269.96/63,739.08
  6. Step 6: Final answer
    x = 53,235.81

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1.5x scale

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.