Home / 85,902.63-118,499.86-50,079.57

Finding the Fourth Proportional to 85,902.63, 118,499.86 and 50,079.57

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Solution

The fourth proportional to 85,902.63, 118,499.86 and 50,079.57 is: 69,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,902.63 : 118,499.86 = 50,079.57 : x
  2. Step 2: Convert to fraction form
    85,902.63/118,499.86 = 50,079.57/x
  3. Step 3: Cross multiply
    85,902.63x = 118,499.86 × 50,079.57
  4. Step 4: Simplify right side
    85,902.63x = 5,934,421,652.09
  5. Step 5: Solve for x
    x = 5,934,421,652.09/85,902.63
  6. Step 6: Final answer
    x = 69,083.12

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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.