Home / 74,582.72-102,914.80-50,436.22

Finding the Fourth Proportional to 74,582.72, 102,914.80 and 50,436.22

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Solution

The fourth proportional to 74,582.72, 102,914.80 and 50,436.22 is: 69,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.72 : 102,914.80 = 50,436.22 : x
  2. Step 2: Convert to fraction form
    74,582.72/102,914.80 = 50,436.22/x
  3. Step 3: Cross multiply
    74,582.72x = 102,914.80 × 50,436.22
  4. Step 4: Simplify right side
    74,582.72x = 5,190,633,494.06
  5. Step 5: Solve for x
    x = 5,190,633,494.06/74,582.72
  6. Step 6: Final answer
    x = 69,595.66

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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.