Home / 74,194.09-102,395.16-42,367.77

Finding the Fourth Proportional to 74,194.09, 102,395.16 and 42,367.77

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Solution

The fourth proportional to 74,194.09, 102,395.16 and 42,367.77 is: 58,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.09 : 102,395.16 = 42,367.77 : x
  2. Step 2: Convert to fraction form
    74,194.09/102,395.16 = 42,367.77/x
  3. Step 3: Cross multiply
    74,194.09x = 102,395.16 × 42,367.77
  4. Step 4: Simplify right side
    74,194.09x = 4,338,254,587.99
  5. Step 5: Solve for x
    x = 4,338,254,587.99/74,194.09
  6. Step 6: Final answer
    x = 58,471.70

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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.