Home / 53,655.78-74,044.85-29,782.74

Finding the Fourth Proportional to 53,655.78, 74,044.85 and 29,782.74

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Solution

The fourth proportional to 53,655.78, 74,044.85 and 29,782.74 is: 41,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.78 : 74,044.85 = 29,782.74 : x
  2. Step 2: Convert to fraction form
    53,655.78/74,044.85 = 29,782.74/x
  3. Step 3: Cross multiply
    53,655.78x = 74,044.85 × 29,782.74
  4. Step 4: Simplify right side
    53,655.78x = 2,205,258,515.89
  5. Step 5: Solve for x
    x = 2,205,258,515.89/53,655.78
  6. Step 6: Final answer
    x = 41,100.11

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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.