Home / 61,691.32-85,134.06-33,397.01

Finding the Fourth Proportional to 61,691.32, 85,134.06 and 33,397.01

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Solution

The fourth proportional to 61,691.32, 85,134.06 and 33,397.01 is: 46,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,691.32 : 85,134.06 = 33,397.01 : x
  2. Step 2: Convert to fraction form
    61,691.32/85,134.06 = 33,397.01/x
  3. Step 3: Cross multiply
    61,691.32x = 85,134.06 × 33,397.01
  4. Step 4: Simplify right side
    61,691.32x = 2,843,222,946.74
  5. Step 5: Solve for x
    x = 2,843,222,946.74/61,691.32
  6. Step 6: Final answer
    x = 46,087.89

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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.