Home / 84,877.26-117,135.48-47,151.51

Finding the Fourth Proportional to 84,877.26, 117,135.48 and 47,151.51

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Solution

The fourth proportional to 84,877.26, 117,135.48 and 47,151.51 is: 65,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877.26 : 117,135.48 = 47,151.51 : x
  2. Step 2: Convert to fraction form
    84,877.26/117,135.48 = 47,151.51/x
  3. Step 3: Cross multiply
    84,877.26x = 117,135.48 × 47,151.51
  4. Step 4: Simplify right side
    84,877.26x = 5,523,114,756.57
  5. Step 5: Solve for x
    x = 5,523,114,756.57/84,877.26
  6. Step 6: Final answer
    x = 65,071.78

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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.