Home / 61,921.74-85,453.40-34,699.86

Finding the Fourth Proportional to 61,921.74, 85,453.40 and 34,699.86

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Solution

The fourth proportional to 61,921.74, 85,453.40 and 34,699.86 is: 47,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.74 : 85,453.40 = 34,699.86 : x
  2. Step 2: Convert to fraction form
    61,921.74/85,453.40 = 34,699.86/x
  3. Step 3: Cross multiply
    61,921.74x = 85,453.40 × 34,699.86
  4. Step 4: Simplify right side
    61,921.74x = 2,965,221,016.52
  5. Step 5: Solve for x
    x = 2,965,221,016.52/61,921.74
  6. Step 6: Final answer
    x = 47,886.59

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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.