Home / 113,743.80-170,615.70-30,637.80

Finding the Fourth Proportional to 113,743.80, 170,615.70 and 30,637.80

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Solution

The fourth proportional to 113,743.80, 170,615.70 and 30,637.80 is: 45,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.80 : 170,615.70 = 30,637.80 : x
  2. Step 2: Convert to fraction form
    113,743.80/170,615.70 = 30,637.80/x
  3. Step 3: Cross multiply
    113,743.80x = 170,615.70 × 30,637.80
  4. Step 4: Simplify right side
    113,743.80x = 5,227,289,693.46
  5. Step 5: Solve for x
    x = 5,227,289,693.46/113,743.80
  6. Step 6: Final answer
    x = 45,956.70

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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.