Home / 47,905.45-66,111.32-26,686.08

Finding the Fourth Proportional to 47,905.45, 66,111.32 and 26,686.08

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Solution

The fourth proportional to 47,905.45, 66,111.32 and 26,686.08 is: 36,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.45 : 66,111.32 = 26,686.08 : x
  2. Step 2: Convert to fraction form
    47,905.45/66,111.32 = 26,686.08/x
  3. Step 3: Cross multiply
    47,905.45x = 66,111.32 × 26,686.08
  4. Step 4: Simplify right side
    47,905.45x = 1,764,251,974.43
  5. Step 5: Solve for x
    x = 1,764,251,974.43/47,905.45
  6. Step 6: Final answer
    x = 36,827.79

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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.