Home / 65,747.45-90,731.26-37,457.93

Finding the Fourth Proportional to 65,747.45, 90,731.26 and 37,457.93

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Solution

The fourth proportional to 65,747.45, 90,731.26 and 37,457.93 is: 51,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.45 : 90,731.26 = 37,457.93 : x
  2. Step 2: Convert to fraction form
    65,747.45/90,731.26 = 37,457.93/x
  3. Step 3: Cross multiply
    65,747.45x = 90,731.26 × 37,457.93
  4. Step 4: Simplify right side
    65,747.45x = 3,398,605,185.89
  5. Step 5: Solve for x
    x = 3,398,605,185.89/65,747.45
  6. Step 6: Final answer
    x = 51,691.82

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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.