Home / 61,781.08-85,258.20-33,486.52

Finding the Fourth Proportional to 61,781.08, 85,258.20 and 33,486.52

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Solution

The fourth proportional to 61,781.08, 85,258.20 and 33,486.52 is: 46,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,781.08 : 85,258.20 = 33,486.52 : x
  2. Step 2: Convert to fraction form
    61,781.08/85,258.20 = 33,486.52/x
  3. Step 3: Cross multiply
    61,781.08x = 85,258.20 × 33,486.52
  4. Step 4: Simplify right side
    61,781.08x = 2,855,000,419.46
  5. Step 5: Solve for x
    x = 2,855,000,419.46/61,781.08
  6. Step 6: Final answer
    x = 46,211.57

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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.