Home / 53,155.13-73,353.28-29,281.82

Finding the Fourth Proportional to 53,155.13, 73,353.28 and 29,281.82

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Solution

The fourth proportional to 53,155.13, 73,353.28 and 29,281.82 is: 40,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.13 : 73,353.28 = 29,281.82 : x
  2. Step 2: Convert to fraction form
    53,155.13/73,353.28 = 29,281.82/x
  3. Step 3: Cross multiply
    53,155.13x = 73,353.28 × 29,281.82
  4. Step 4: Simplify right side
    53,155.13x = 2,147,917,541.37
  5. Step 5: Solve for x
    x = 2,147,917,541.37/53,155.13
  6. Step 6: Final answer
    x = 40,408.47

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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.