Home / 51,120.06-70,544.92-28,459.02

Finding the Fourth Proportional to 51,120.06, 70,544.92 and 28,459.02

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Solution

The fourth proportional to 51,120.06, 70,544.92 and 28,459.02 is: 39,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.06 : 70,544.92 = 28,459.02 : x
  2. Step 2: Convert to fraction form
    51,120.06/70,544.92 = 28,459.02/x
  3. Step 3: Cross multiply
    51,120.06x = 70,544.92 × 28,459.02
  4. Step 4: Simplify right side
    51,120.06x = 2,007,639,289.18
  5. Step 5: Solve for x
    x = 2,007,639,289.18/51,120.06
  6. Step 6: Final answer
    x = 39,273.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.