Home / 84,338.25-116,311.45-69,975.34

Finding the Fourth Proportional to 84,338.25, 116,311.45 and 69,975.34

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Solution

The fourth proportional to 84,338.25, 116,311.45 and 69,975.34 is: 96,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,338.25 : 116,311.45 = 69,975.34 : x
  2. Step 2: Convert to fraction form
    84,338.25/116,311.45 = 69,975.34/x
  3. Step 3: Cross multiply
    84,338.25x = 116,311.45 × 69,975.34
  4. Step 4: Simplify right side
    84,338.25x = 8,138,933,623.71
  5. Step 5: Solve for x
    x = 8,138,933,623.71/84,338.25
  6. Step 6: Final answer
    x = 96,503.47

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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.