Home / 112,365.12-168,683.52-52,450.56

Finding the Fourth Proportional to 112,365.12, 168,683.52 and 52,450.56

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Solution

The fourth proportional to 112,365.12, 168,683.52 and 52,450.56 is: 78,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.12 : 168,683.52 = 52,450.56 : x
  2. Step 2: Convert to fraction form
    112,365.12/168,683.52 = 52,450.56/x
  3. Step 3: Cross multiply
    112,365.12x = 168,683.52 × 52,450.56
  4. Step 4: Simplify right side
    112,365.12x = 8,847,545,086.77
  5. Step 5: Solve for x
    x = 8,847,545,086.77/112,365.12
  6. Step 6: Final answer
    x = 78,739.25

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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.