Home / 83,840.24-115,701.72-46,115.48

Finding the Fourth Proportional to 83,840.24, 115,701.72 and 46,115.48

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Solution

The fourth proportional to 83,840.24, 115,701.72 and 46,115.48 is: 63,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.24 : 115,701.72 = 46,115.48 : x
  2. Step 2: Convert to fraction form
    83,840.24/115,701.72 = 46,115.48/x
  3. Step 3: Cross multiply
    83,840.24x = 115,701.72 × 46,115.48
  4. Step 4: Simplify right side
    83,840.24x = 5,335,640,354.63
  5. Step 5: Solve for x
    x = 5,335,640,354.63/83,840.24
  6. Step 6: Final answer
    x = 63,640.57

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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.