Home / 74,424.86-111,640.93-30,046.07

Finding the Fourth Proportional to 74,424.86, 111,640.93 and 30,046.07

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Solution

The fourth proportional to 74,424.86, 111,640.93 and 30,046.07 is: 45,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.86 : 111,640.93 = 30,046.07 : x
  2. Step 2: Convert to fraction form
    74,424.86/111,640.93 = 30,046.07/x
  3. Step 3: Cross multiply
    74,424.86x = 111,640.93 × 30,046.07
  4. Step 4: Simplify right side
    74,424.86x = 3,354,371,570.64
  5. Step 5: Solve for x
    x = 3,354,371,570.64/74,424.86
  6. Step 6: Final answer
    x = 45,070.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.