Home / 42,064.41-63,065.22-25,420.66

Finding the Fourth Proportional to 42,064.41, 63,065.22 and 25,420.66

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Solution

The fourth proportional to 42,064.41, 63,065.22 and 25,420.66 is: 38,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,064.41 : 63,065.22 = 25,420.66 : x
  2. Step 2: Convert to fraction form
    42,064.41/63,065.22 = 25,420.66/x
  3. Step 3: Cross multiply
    42,064.41x = 63,065.22 × 25,420.66
  4. Step 4: Simplify right side
    42,064.41x = 1,603,159,515.45
  5. Step 5: Solve for x
    x = 1,603,159,515.45/42,064.41
  6. Step 6: Final answer
    x = 38,112.02

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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.