Home / 74,192.09-102,392.40-42,365.77

Finding the Fourth Proportional to 74,192.09, 102,392.40 and 42,365.77

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Solution

The fourth proportional to 74,192.09, 102,392.40 and 42,365.77 is: 58,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.09 : 102,392.40 = 42,365.77 : x
  2. Step 2: Convert to fraction form
    74,192.09/102,392.40 = 42,365.77/x
  3. Step 3: Cross multiply
    74,192.09x = 102,392.40 × 42,365.77
  4. Step 4: Simplify right side
    74,192.09x = 4,337,932,771.04
  5. Step 5: Solve for x
    x = 4,337,932,771.04/74,192.09
  6. Step 6: Final answer
    x = 58,468.94

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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.