Home / 42,144.57-63,195.53-14,054.78

Finding the Fourth Proportional to 42,144.57, 63,195.53 and 14,054.78

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Solution

The fourth proportional to 42,144.57, 63,195.53 and 14,054.78 is: 21,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.57 : 63,195.53 = 14,054.78 : x
  2. Step 2: Convert to fraction form
    42,144.57/63,195.53 = 14,054.78/x
  3. Step 3: Cross multiply
    42,144.57x = 63,195.53 × 14,054.78
  4. Step 4: Simplify right side
    42,144.57x = 888,199,358.85
  5. Step 5: Solve for x
    x = 888,199,358.85/42,144.57
  6. Step 6: Final answer
    x = 21,075.06

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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.