Home / 53,747.16-74,171.28-29,550

Finding the Fourth Proportional to 53,747.16, 74,171.28 and 29,550

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Solution

The fourth proportional to 53,747.16, 74,171.28 and 29,550 is: 40,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.16 : 74,171.28 = 29,550 : x
  2. Step 2: Convert to fraction form
    53,747.16/74,171.28 = 29,550/x
  3. Step 3: Cross multiply
    53,747.16x = 74,171.28 × 29,550
  4. Step 4: Simplify right side
    53,747.16x = 2,191,761,324
  5. Step 5: Solve for x
    x = 2,191,761,324/53,747.16
  6. Step 6: Final answer
    x = 40,779.11

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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.