Home / 61,841.12-85,373.82-48,383.78

Finding the Fourth Proportional to 61,841.12, 85,373.82 and 48,383.78

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Solution

The fourth proportional to 61,841.12, 85,373.82 and 48,383.78 is: 66,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.12 : 85,373.82 = 48,383.78 : x
  2. Step 2: Convert to fraction form
    61,841.12/85,373.82 = 48,383.78/x
  3. Step 3: Cross multiply
    61,841.12x = 85,373.82 × 48,383.78
  4. Step 4: Simplify right side
    61,841.12x = 4,130,708,124.64
  5. Step 5: Solve for x
    x = 4,130,708,124.64/61,841.12
  6. Step 6: Final answer
    x = 66,795.49

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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.