Home / 74,036.64-102,137.60-47,164.56

Finding the Fourth Proportional to 74,036.64, 102,137.60 and 47,164.56

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Solution

The fourth proportional to 74,036.64, 102,137.60 and 47,164.56 is: 65,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.64 : 102,137.60 = 47,164.56 : x
  2. Step 2: Convert to fraction form
    74,036.64/102,137.60 = 47,164.56/x
  3. Step 3: Cross multiply
    74,036.64x = 102,137.60 × 47,164.56
  4. Step 4: Simplify right side
    74,036.64x = 4,817,274,963.46
  5. Step 5: Solve for x
    x = 4,817,274,963.46/74,036.64
  6. Step 6: Final answer
    x = 65,066.09

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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.