Home / 61,915.15-85,447.20-46,781.11

Finding the Fourth Proportional to 61,915.15, 85,447.20 and 46,781.11

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Solution

The fourth proportional to 61,915.15, 85,447.20 and 46,781.11 is: 64,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.15 : 85,447.20 = 46,781.11 : x
  2. Step 2: Convert to fraction form
    61,915.15/85,447.20 = 46,781.11/x
  3. Step 3: Cross multiply
    61,915.15x = 85,447.20 × 46,781.11
  4. Step 4: Simplify right side
    61,915.15x = 3,997,314,862.39
  5. Step 5: Solve for x
    x = 3,997,314,862.39/61,915.15
  6. Step 6: Final answer
    x = 64,561.18

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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.