Home / 83,733.76-115,554.63-47,935.30

Finding the Fourth Proportional to 83,733.76, 115,554.63 and 47,935.30

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Solution

The fourth proportional to 83,733.76, 115,554.63 and 47,935.30 is: 66,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,733.76 : 115,554.63 = 47,935.30 : x
  2. Step 2: Convert to fraction form
    83,733.76/115,554.63 = 47,935.30/x
  3. Step 3: Cross multiply
    83,733.76x = 115,554.63 × 47,935.30
  4. Step 4: Simplify right side
    83,733.76x = 5,539,145,855.44
  5. Step 5: Solve for x
    x = 5,539,145,855.44/83,733.76
  6. Step 6: Final answer
    x = 66,151.88

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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.