Home / 42,761.52-64,142.10-11,596.86

Finding the Fourth Proportional to 42,761.52, 64,142.10 and 11,596.86

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Solution

The fourth proportional to 42,761.52, 64,142.10 and 11,596.86 is: 17,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.52 : 64,142.10 = 11,596.86 : x
  2. Step 2: Convert to fraction form
    42,761.52/64,142.10 = 11,596.86/x
  3. Step 3: Cross multiply
    42,761.52x = 64,142.10 × 11,596.86
  4. Step 4: Simplify right side
    42,761.52x = 743,846,953.81
  5. Step 5: Solve for x
    x = 743,846,953.81/42,761.52
  6. Step 6: Final answer
    x = 17,395.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.