Home / 103,372.73-142,676.60-63,077.86

Finding the Fourth Proportional to 103,372.73, 142,676.60 and 63,077.86

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Solution

The fourth proportional to 103,372.73, 142,676.60 and 63,077.86 is: 87,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.73 : 142,676.60 = 63,077.86 : x
  2. Step 2: Convert to fraction form
    103,372.73/142,676.60 = 63,077.86/x
  3. Step 3: Cross multiply
    103,372.73x = 142,676.60 × 63,077.86
  4. Step 4: Simplify right side
    103,372.73x = 8,999,734,600.08
  5. Step 5: Solve for x
    x = 8,999,734,600.08/103,372.73
  6. Step 6: Final answer
    x = 87,061.01

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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.