Home / 63,541.80-87,704.10-40,896.36

Finding the Fourth Proportional to 63,541.80, 87,704.10 and 40,896.36

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Solution

The fourth proportional to 63,541.80, 87,704.10 and 40,896.36 is: 56,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541.80 : 87,704.10 = 40,896.36 : x
  2. Step 2: Convert to fraction form
    63,541.80/87,704.10 = 40,896.36/x
  3. Step 3: Cross multiply
    63,541.80x = 87,704.10 × 40,896.36
  4. Step 4: Simplify right side
    63,541.80x = 3,586,778,447.08
  5. Step 5: Solve for x
    x = 3,586,778,447.08/63,541.80
  6. Step 6: Final answer
    x = 56,447.54

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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.