Home / 75,622.70-113,425.40-20,223.02

Finding the Fourth Proportional to 75,622.70, 113,425.40 and 20,223.02

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Solution

The fourth proportional to 75,622.70, 113,425.40 and 20,223.02 is: 30,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.70 : 113,425.40 = 20,223.02 : x
  2. Step 2: Convert to fraction form
    75,622.70/113,425.40 = 20,223.02/x
  3. Step 3: Cross multiply
    75,622.70x = 113,425.40 × 20,223.02
  4. Step 4: Simplify right side
    75,622.70x = 2,293,804,132.71
  5. Step 5: Solve for x
    x = 2,293,804,132.71/75,622.70
  6. Step 6: Final answer
    x = 30,332.22

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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.