Home / 74,047.34-102,079.04-52,789.70

Finding the Fourth Proportional to 74,047.34, 102,079.04 and 52,789.70

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Solution

The fourth proportional to 74,047.34, 102,079.04 and 52,789.70 is: 72,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.34 : 102,079.04 = 52,789.70 : x
  2. Step 2: Convert to fraction form
    74,047.34/102,079.04 = 52,789.70/x
  3. Step 3: Cross multiply
    74,047.34x = 102,079.04 × 52,789.70
  4. Step 4: Simplify right side
    74,047.34x = 5,388,721,123.54
  5. Step 5: Solve for x
    x = 5,388,721,123.54/74,047.34
  6. Step 6: Final answer
    x = 72,774.00

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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.