Home / 105,742.83-145,923.12-59,801.86

Finding the Fourth Proportional to 105,742.83, 145,923.12 and 59,801.86

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Solution

The fourth proportional to 105,742.83, 145,923.12 and 59,801.86 is: 82,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,742.83 : 145,923.12 = 59,801.86 : x
  2. Step 2: Convert to fraction form
    105,742.83/145,923.12 = 59,801.86/x
  3. Step 3: Cross multiply
    105,742.83x = 145,923.12 × 59,801.86
  4. Step 4: Simplify right side
    105,742.83x = 8,726,474,175.41
  5. Step 5: Solve for x
    x = 8,726,474,175.41/105,742.83
  6. Step 6: Final answer
    x = 82,525.44

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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.