Home / 65,764.19-90,733.17-40,243.93

Finding the Fourth Proportional to 65,764.19, 90,733.17 and 40,243.93

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Solution

The fourth proportional to 65,764.19, 90,733.17 and 40,243.93 is: 55,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764.19 : 90,733.17 = 40,243.93 : x
  2. Step 2: Convert to fraction form
    65,764.19/90,733.17 = 40,243.93/x
  3. Step 3: Cross multiply
    65,764.19x = 90,733.17 × 40,243.93
  4. Step 4: Simplify right side
    65,764.19x = 3,651,459,342.16
  5. Step 5: Solve for x
    x = 3,651,459,342.16/65,764.19
  6. Step 6: Final answer
    x = 55,523.52

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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.