Home / 42,222.22-63,334.12-14,137.04

Finding the Fourth Proportional to 42,222.22, 63,334.12 and 14,137.04

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Solution

The fourth proportional to 42,222.22, 63,334.12 and 14,137.04 is: 21,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.22 : 63,334.12 = 14,137.04 : x
  2. Step 2: Convert to fraction form
    42,222.22/63,334.12 = 14,137.04/x
  3. Step 3: Cross multiply
    42,222.22x = 63,334.12 × 14,137.04
  4. Step 4: Simplify right side
    42,222.22x = 895,356,987.80
  5. Step 5: Solve for x
    x = 895,356,987.80/42,222.22
  6. Step 6: Final answer
    x = 21,205.82

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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.