Home / 63,366.21-87,410.34-40,708.58

Finding the Fourth Proportional to 63,366.21, 87,410.34 and 40,708.58

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Solution

The fourth proportional to 63,366.21, 87,410.34 and 40,708.58 is: 56,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,366.21 : 87,410.34 = 40,708.58 : x
  2. Step 2: Convert to fraction form
    63,366.21/87,410.34 = 40,708.58/x
  3. Step 3: Cross multiply
    63,366.21x = 87,410.34 × 40,708.58
  4. Step 4: Simplify right side
    63,366.21x = 3,558,350,381.67
  5. Step 5: Solve for x
    x = 3,558,350,381.67/63,366.21
  6. Step 6: Final answer
    x = 56,155.33

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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.