Home / 65,131.16-89,882.60-36,450.59

Finding the Fourth Proportional to 65,131.16, 89,882.60 and 36,450.59

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Solution

The fourth proportional to 65,131.16, 89,882.60 and 36,450.59 is: 50,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,131.16 : 89,882.60 = 36,450.59 : x
  2. Step 2: Convert to fraction form
    65,131.16/89,882.60 = 36,450.59/x
  3. Step 3: Cross multiply
    65,131.16x = 89,882.60 × 36,450.59
  4. Step 4: Simplify right side
    65,131.16x = 3,276,273,779.51
  5. Step 5: Solve for x
    x = 3,276,273,779.51/65,131.16
  6. Step 6: Final answer
    x = 50,302.71

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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.