Home / 62,780.31-94,186.86-36,459.78

Finding the Fourth Proportional to 62,780.31, 94,186.86 and 36,459.78

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Solution

The fourth proportional to 62,780.31, 94,186.86 and 36,459.78 is: 54,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.31 : 94,186.86 = 36,459.78 : x
  2. Step 2: Convert to fraction form
    62,780.31/94,186.86 = 36,459.78/x
  3. Step 3: Cross multiply
    62,780.31x = 94,186.86 × 36,459.78
  4. Step 4: Simplify right side
    62,780.31x = 3,434,032,194.49
  5. Step 5: Solve for x
    x = 3,434,032,194.49/62,780.31
  6. Step 6: Final answer
    x = 54,699.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.