Home / 65,741.26-90,730.94-37,066.45

Finding the Fourth Proportional to 65,741.26, 90,730.94 and 37,066.45

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Solution

The fourth proportional to 65,741.26, 90,730.94 and 37,066.45 is: 51,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741.26 : 90,730.94 = 37,066.45 : x
  2. Step 2: Convert to fraction form
    65,741.26/90,730.94 = 37,066.45/x
  3. Step 3: Cross multiply
    65,741.26x = 90,730.94 × 37,066.45
  4. Step 4: Simplify right side
    65,741.26x = 3,363,073,850.96
  5. Step 5: Solve for x
    x = 3,363,073,850.96/65,741.26
  6. Step 6: Final answer
    x = 51,156.21

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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.