Home / 42,137.08-63,205.61-10,972.33

Finding the Fourth Proportional to 42,137.08, 63,205.61 and 10,972.33

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Solution

The fourth proportional to 42,137.08, 63,205.61 and 10,972.33 is: 16,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,137.08 : 63,205.61 = 10,972.33 : x
  2. Step 2: Convert to fraction form
    42,137.08/63,205.61 = 10,972.33/x
  3. Step 3: Cross multiply
    42,137.08x = 63,205.61 × 10,972.33
  4. Step 4: Simplify right side
    42,137.08x = 693,512,810.77
  5. Step 5: Solve for x
    x = 693,512,810.77/42,137.08
  6. Step 6: Final answer
    x = 16,458.49

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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.