Home / 101,917.08-140,646.55-59,467.41

Finding the Fourth Proportional to 101,917.08, 140,646.55 and 59,467.41

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Solution

The fourth proportional to 101,917.08, 140,646.55 and 59,467.41 is: 82,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917.08 : 140,646.55 = 59,467.41 : x
  2. Step 2: Convert to fraction form
    101,917.08/140,646.55 = 59,467.41/x
  3. Step 3: Cross multiply
    101,917.08x = 140,646.55 × 59,467.41
  4. Step 4: Simplify right side
    101,917.08x = 8,363,885,905.27
  5. Step 5: Solve for x
    x = 8,363,885,905.27/101,917.08
  6. Step 6: Final answer
    x = 82,065.60

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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.