Home / 42,229.80-63,346.74-11,065.08

Finding the Fourth Proportional to 42,229.80, 63,346.74 and 11,065.08

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Solution

The fourth proportional to 42,229.80, 63,346.74 and 11,065.08 is: 16,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,229.80 : 63,346.74 = 11,065.08 : x
  2. Step 2: Convert to fraction form
    42,229.80/63,346.74 = 11,065.08/x
  3. Step 3: Cross multiply
    42,229.80x = 63,346.74 × 11,065.08
  4. Step 4: Simplify right side
    42,229.80x = 700,936,745.84
  5. Step 5: Solve for x
    x = 700,936,745.84/42,229.80
  6. Step 6: Final answer
    x = 16,598.15

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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.