Home / 61,914.15-85,445.82-46,780.11

Finding the Fourth Proportional to 61,914.15, 85,445.82 and 46,780.11

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Solution

The fourth proportional to 61,914.15, 85,445.82 and 46,780.11 is: 64,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,914.15 : 85,445.82 = 46,780.11 : x
  2. Step 2: Convert to fraction form
    61,914.15/85,445.82 = 46,780.11/x
  3. Step 3: Cross multiply
    61,914.15x = 85,445.82 × 46,780.11
  4. Step 4: Simplify right side
    61,914.15x = 3,997,164,858.64
  5. Step 5: Solve for x
    x = 3,997,164,858.64/61,914.15
  6. Step 6: Final answer
    x = 64,559.80

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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.