Home / 53,397.45-73,691.96-30,739.23

Finding the Fourth Proportional to 53,397.45, 73,691.96 and 30,739.23

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Solution

The fourth proportional to 53,397.45, 73,691.96 and 30,739.23 is: 42,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.45 : 73,691.96 = 30,739.23 : x
  2. Step 2: Convert to fraction form
    53,397.45/73,691.96 = 30,739.23/x
  3. Step 3: Cross multiply
    53,397.45x = 73,691.96 × 30,739.23
  4. Step 4: Simplify right side
    53,397.45x = 2,265,233,953.89
  5. Step 5: Solve for x
    x = 2,265,233,953.89/53,397.45
  6. Step 6: Final answer
    x = 42,422.14

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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.