Home / 84,309.23-116,400.98-54,107.57

Finding the Fourth Proportional to 84,309.23, 116,400.98 and 54,107.57

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Solution

The fourth proportional to 84,309.23, 116,400.98 and 54,107.57 is: 74,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.23 : 116,400.98 = 54,107.57 : x
  2. Step 2: Convert to fraction form
    84,309.23/116,400.98 = 54,107.57/x
  3. Step 3: Cross multiply
    84,309.23x = 116,400.98 × 54,107.57
  4. Step 4: Simplify right side
    84,309.23x = 6,298,173,902.88
  5. Step 5: Solve for x
    x = 6,298,173,902.88/84,309.23
  6. Step 6: Final answer
    x = 74,703.25

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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.