Home / 74,447.17-102,790.76-45,805.37

Finding the Fourth Proportional to 74,447.17, 102,790.76 and 45,805.37

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Solution

The fourth proportional to 74,447.17, 102,790.76 and 45,805.37 is: 63,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,447.17 : 102,790.76 = 45,805.37 : x
  2. Step 2: Convert to fraction form
    74,447.17/102,790.76 = 45,805.37/x
  3. Step 3: Cross multiply
    74,447.17x = 102,790.76 × 45,805.37
  4. Step 4: Simplify right side
    74,447.17x = 4,708,368,051.40
  5. Step 5: Solve for x
    x = 4,708,368,051.40/74,447.17
  6. Step 6: Final answer
    x = 63,244.42

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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.