Home / 83,840.00-115,670.97-56,935.85

Finding the Fourth Proportional to 83,840.00, 115,670.97 and 56,935.85

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Solution

The fourth proportional to 83,840.00, 115,670.97 and 56,935.85 is: 78,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.00 : 115,670.97 = 56,935.85 : x
  2. Step 2: Convert to fraction form
    83,840.00/115,670.97 = 56,935.85/x
  3. Step 3: Cross multiply
    83,840.00x = 115,670.97 × 56,935.85
  4. Step 4: Simplify right side
    83,840.00x = 6,585,824,418.92
  5. Step 5: Solve for x
    x = 6,585,824,418.92/83,840.00
  6. Step 6: Final answer
    x = 78,552.30

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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.