Home / 53,708.19-74,117.27-29,837.09

Finding the Fourth Proportional to 53,708.19, 74,117.27 and 29,837.09

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Solution

The fourth proportional to 53,708.19, 74,117.27 and 29,837.09 is: 41,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.19 : 74,117.27 = 29,837.09 : x
  2. Step 2: Convert to fraction form
    53,708.19/74,117.27 = 29,837.09/x
  3. Step 3: Cross multiply
    53,708.19x = 74,117.27 × 29,837.09
  4. Step 4: Simplify right side
    53,708.19x = 2,211,443,135.77
  5. Step 5: Solve for x
    x = 2,211,443,135.77/53,708.19
  6. Step 6: Final answer
    x = 41,175.16

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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.