Home / 63,180.54-87,226.47-42,003.90

Finding the Fourth Proportional to 63,180.54, 87,226.47 and 42,003.90

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Solution

The fourth proportional to 63,180.54, 87,226.47 and 42,003.90 is: 57,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180.54 : 87,226.47 = 42,003.90 : x
  2. Step 2: Convert to fraction form
    63,180.54/87,226.47 = 42,003.90/x
  3. Step 3: Cross multiply
    63,180.54x = 87,226.47 × 42,003.90
  4. Step 4: Simplify right side
    63,180.54x = 3,663,851,923.23
  5. Step 5: Solve for x
    x = 3,663,851,923.23/63,180.54
  6. Step 6: Final answer
    x = 57,990.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.