Home / 43,209.40-64,862.70-33,392.20

Finding the Fourth Proportional to 43,209.40, 64,862.70 and 33,392.20

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Solution

The fourth proportional to 43,209.40, 64,862.70 and 33,392.20 is: 50,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.40 : 64,862.70 = 33,392.20 : x
  2. Step 2: Convert to fraction form
    43,209.40/64,862.70 = 33,392.20/x
  3. Step 3: Cross multiply
    43,209.40x = 64,862.70 × 33,392.20
  4. Step 4: Simplify right side
    43,209.40x = 2,165,908,250.94
  5. Step 5: Solve for x
    x = 2,165,908,250.94/43,209.40
  6. Step 6: Final answer
    x = 50,125.86

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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.