Home / 42,202.08-63,271.73-14,105.54

Finding the Fourth Proportional to 42,202.08, 63,271.73 and 14,105.54

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Solution

The fourth proportional to 42,202.08, 63,271.73 and 14,105.54 is: 21,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,202.08 : 63,271.73 = 14,105.54 : x
  2. Step 2: Convert to fraction form
    42,202.08/63,271.73 = 14,105.54/x
  3. Step 3: Cross multiply
    42,202.08x = 63,271.73 × 14,105.54
  4. Step 4: Simplify right side
    42,202.08x = 892,482,111.83
  5. Step 5: Solve for x
    x = 892,482,111.83/42,202.08
  6. Step 6: Final answer
    x = 21,147.82

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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.