Home / 113,707.20-170,559.20-51,377.60

Finding the Fourth Proportional to 113,707.20, 170,559.20 and 51,377.60

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Solution

The fourth proportional to 113,707.20, 170,559.20 and 51,377.60 is: 77,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,707.20 : 170,559.20 = 51,377.60 : x
  2. Step 2: Convert to fraction form
    113,707.20/170,559.20 = 51,377.60/x
  3. Step 3: Cross multiply
    113,707.20x = 170,559.20 × 51,377.60
  4. Step 4: Simplify right side
    113,707.20x = 8,762,922,353.92
  5. Step 5: Solve for x
    x = 8,762,922,353.92/113,707.20
  6. Step 6: Final answer
    x = 77,065.68

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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.