Home / 53,656.82-74,045-29,782.88

Finding the Fourth Proportional to 53,656.82, 74,045 and 29,782.88

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Solution

The fourth proportional to 53,656.82, 74,045 and 29,782.88 is: 41,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,656.82 : 74,045 = 29,782.88 : x
  2. Step 2: Convert to fraction form
    53,656.82/74,045 = 29,782.88/x
  3. Step 3: Cross multiply
    53,656.82x = 74,045 × 29,782.88
  4. Step 4: Simplify right side
    53,656.82x = 2,205,273,349.60
  5. Step 5: Solve for x
    x = 2,205,273,349.60/53,656.82
  6. Step 6: Final answer
    x = 41,099.59

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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.