Home / 103,383.93-142,700.77-60,375.03

Finding the Fourth Proportional to 103,383.93, 142,700.77 and 60,375.03

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Solution

The fourth proportional to 103,383.93, 142,700.77 and 60,375.03 is: 83,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,383.93 : 142,700.77 = 60,375.03 : x
  2. Step 2: Convert to fraction form
    103,383.93/142,700.77 = 60,375.03/x
  3. Step 3: Cross multiply
    103,383.93x = 142,700.77 × 60,375.03
  4. Step 4: Simplify right side
    103,383.93x = 8,615,563,269.77
  5. Step 5: Solve for x
    x = 8,615,563,269.77/103,383.93
  6. Step 6: Final answer
    x = 83,335.61

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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.