Home / 42,065.41-63,066.72-25,421.66

Finding the Fourth Proportional to 42,065.41, 63,066.72 and 25,421.66

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Solution

The fourth proportional to 42,065.41, 63,066.72 and 25,421.66 is: 38,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065.41 : 63,066.72 = 25,421.66 : x
  2. Step 2: Convert to fraction form
    42,065.41/63,066.72 = 25,421.66/x
  3. Step 3: Cross multiply
    42,065.41x = 63,066.72 × 25,421.66
  4. Step 4: Simplify right side
    42,065.41x = 1,603,260,713.16
  5. Step 5: Solve for x
    x = 1,603,260,713.16/42,065.41
  6. Step 6: Final answer
    x = 38,113.52

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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.