Home / 101,622.24-152,433.42-42,425.64

Finding the Fourth Proportional to 101,622.24, 152,433.42 and 42,425.64

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Solution

The fourth proportional to 101,622.24, 152,433.42 and 42,425.64 is: 63,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,622.24 : 152,433.42 = 42,425.64 : x
  2. Step 2: Convert to fraction form
    101,622.24/152,433.42 = 42,425.64/x
  3. Step 3: Cross multiply
    101,622.24x = 152,433.42 × 42,425.64
  4. Step 4: Simplify right side
    101,622.24x = 6,467,085,400.89
  5. Step 5: Solve for x
    x = 6,467,085,400.89/101,622.24
  6. Step 6: Final answer
    x = 63,638.49

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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.