Home / 85,888.26-118,523.04-50,079.78

Finding the Fourth Proportional to 85,888.26, 118,523.04 and 50,079.78

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Solution

The fourth proportional to 85,888.26, 118,523.04 and 50,079.78 is: 69,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,888.26 : 118,523.04 = 50,079.78 : x
  2. Step 2: Convert to fraction form
    85,888.26/118,523.04 = 50,079.78/x
  3. Step 3: Cross multiply
    85,888.26x = 118,523.04 × 50,079.78
  4. Step 4: Simplify right side
    85,888.26x = 5,935,607,768.13
  5. Step 5: Solve for x
    x = 5,935,607,768.13/85,888.26
  6. Step 6: Final answer
    x = 69,108.49

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1.5x scale

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.