Home / 61,634.64-85,055.82-34,782.84

Finding the Fourth Proportional to 61,634.64, 85,055.82 and 34,782.84

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Solution

The fourth proportional to 61,634.64, 85,055.82 and 34,782.84 is: 48,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,634.64 : 85,055.82 = 34,782.84 : x
  2. Step 2: Convert to fraction form
    61,634.64/85,055.82 = 34,782.84/x
  3. Step 3: Cross multiply
    61,634.64x = 85,055.82 × 34,782.84
  4. Step 4: Simplify right side
    61,634.64x = 2,958,482,978.13
  5. Step 5: Solve for x
    x = 2,958,482,978.13/61,634.64
  6. Step 6: Final answer
    x = 48,000.33

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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.