Home / 113,681.13-170,424.50-43,610.73

Finding the Fourth Proportional to 113,681.13, 170,424.50 and 43,610.73

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Solution

The fourth proportional to 113,681.13, 170,424.50 and 43,610.73 is: 65,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,681.13 : 170,424.50 = 43,610.73 : x
  2. Step 2: Convert to fraction form
    113,681.13/170,424.50 = 43,610.73/x
  3. Step 3: Cross multiply
    113,681.13x = 170,424.50 × 43,610.73
  4. Step 4: Simplify right side
    113,681.13x = 7,432,336,636.83
  5. Step 5: Solve for x
    x = 7,432,336,636.83/113,681.13
  6. Step 6: Final answer
    x = 65,378.81

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1.5x scale

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.