Home / 53,141.15-73,339.17-29,272.28

Finding the Fourth Proportional to 53,141.15, 73,339.17 and 29,272.28

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Solution

The fourth proportional to 53,141.15, 73,339.17 and 29,272.28 is: 40,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.15 : 73,339.17 = 29,272.28 : x
  2. Step 2: Convert to fraction form
    53,141.15/73,339.17 = 29,272.28/x
  3. Step 3: Cross multiply
    53,141.15x = 73,339.17 × 29,272.28
  4. Step 4: Simplify right side
    53,141.15x = 2,146,804,352.51
  5. Step 5: Solve for x
    x = 2,146,804,352.51/53,141.15
  6. Step 6: Final answer
    x = 40,398.16

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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.