Home / 73,205.20-109,807.80-28,833.40

Finding the Fourth Proportional to 73,205.20, 109,807.80 and 28,833.40

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Solution

The fourth proportional to 73,205.20, 109,807.80 and 28,833.40 is: 43,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,205.20 : 109,807.80 = 28,833.40 : x
  2. Step 2: Convert to fraction form
    73,205.20/109,807.80 = 28,833.40/x
  3. Step 3: Cross multiply
    73,205.20x = 109,807.80 × 28,833.40
  4. Step 4: Simplify right side
    73,205.20x = 3,166,132,220.52
  5. Step 5: Solve for x
    x = 3,166,132,220.52/73,205.20
  6. Step 6: Final answer
    x = 43,250.10

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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.