Home / 53,920.25-74,401.19-31,254.82

Finding the Fourth Proportional to 53,920.25, 74,401.19 and 31,254.82

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Solution

The fourth proportional to 53,920.25, 74,401.19 and 31,254.82 is: 43,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.25 : 74,401.19 = 31,254.82 : x
  2. Step 2: Convert to fraction form
    53,920.25/74,401.19 = 31,254.82/x
  3. Step 3: Cross multiply
    53,920.25x = 74,401.19 × 31,254.82
  4. Step 4: Simplify right side
    53,920.25x = 2,325,395,693.37
  5. Step 5: Solve for x
    x = 2,325,395,693.37/53,920.25
  6. Step 6: Final answer
    x = 43,126.58

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1.5x scale

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.