Home / 79,018.26-118,531.05-43,931.49

Finding the Fourth Proportional to 79,018.26, 118,531.05 and 43,931.49

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Solution

The fourth proportional to 79,018.26, 118,531.05 and 43,931.49 is: 65,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018.26 : 118,531.05 = 43,931.49 : x
  2. Step 2: Convert to fraction form
    79,018.26/118,531.05 = 43,931.49/x
  3. Step 3: Cross multiply
    79,018.26x = 118,531.05 × 43,931.49
  4. Step 4: Simplify right side
    79,018.26x = 5,207,245,637.76
  5. Step 5: Solve for x
    x = 5,207,245,637.76/79,018.26
  6. Step 6: Final answer
    x = 65,899.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.