Home / 42,351.97-63,533.80-14,280.05

Finding the Fourth Proportional to 42,351.97, 63,533.80 and 14,280.05

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Solution

The fourth proportional to 42,351.97, 63,533.80 and 14,280.05 is: 21,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,351.97 : 63,533.80 = 14,280.05 : x
  2. Step 2: Convert to fraction form
    42,351.97/63,533.80 = 14,280.05/x
  3. Step 3: Cross multiply
    42,351.97x = 63,533.80 × 14,280.05
  4. Step 4: Simplify right side
    42,351.97x = 907,265,523.02
  5. Step 5: Solve for x
    x = 907,265,523.02/42,351.97
  6. Step 6: Final answer
    x = 21,422.04

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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.