Home / 113,160.42-169,777.48-53,988.43

Finding the Fourth Proportional to 113,160.42, 169,777.48 and 53,988.43

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Solution

The fourth proportional to 113,160.42, 169,777.48 and 53,988.43 is: 81,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,160.42 : 169,777.48 = 53,988.43 : x
  2. Step 2: Convert to fraction form
    113,160.42/169,777.48 = 53,988.43/x
  3. Step 3: Cross multiply
    113,160.42x = 169,777.48 × 53,988.43
  4. Step 4: Simplify right side
    113,160.42x = 9,166,019,594.56
  5. Step 5: Solve for x
    x = 9,166,019,594.56/113,160.42
  6. Step 6: Final answer
    x = 81,000.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.