Home / 53,913.52-74,402.22-31,252.60

Finding the Fourth Proportional to 53,913.52, 74,402.22 and 31,252.60

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Solution

The fourth proportional to 53,913.52, 74,402.22 and 31,252.60 is: 43,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.52 : 74,402.22 = 31,252.60 : x
  2. Step 2: Convert to fraction form
    53,913.52/74,402.22 = 31,252.60/x
  3. Step 3: Cross multiply
    53,913.52x = 74,402.22 × 31,252.60
  4. Step 4: Simplify right side
    53,913.52x = 2,325,262,820.77
  5. Step 5: Solve for x
    x = 2,325,262,820.77/53,913.52
  6. Step 6: Final answer
    x = 43,129.49

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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.