Home / 84,187.26-116,131.32-53,503.74

Finding the Fourth Proportional to 84,187.26, 116,131.32 and 53,503.74

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Solution

The fourth proportional to 84,187.26, 116,131.32 and 53,503.74 is: 73,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,187.26 : 116,131.32 = 53,503.74 : x
  2. Step 2: Convert to fraction form
    84,187.26/116,131.32 = 53,503.74/x
  3. Step 3: Cross multiply
    84,187.26x = 116,131.32 × 53,503.74
  4. Step 4: Simplify right side
    84,187.26x = 6,213,459,951.14
  5. Step 5: Solve for x
    x = 6,213,459,951.14/84,187.26
  6. Step 6: Final answer
    x = 73,805.23

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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.