Home / 74,328.92-111,524.64-46,272.46

Finding the Fourth Proportional to 74,328.92, 111,524.64 and 46,272.46

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Solution

The fourth proportional to 74,328.92, 111,524.64 and 46,272.46 is: 69,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.92 : 111,524.64 = 46,272.46 : x
  2. Step 2: Convert to fraction form
    74,328.92/111,524.64 = 46,272.46/x
  3. Step 3: Cross multiply
    74,328.92x = 111,524.64 × 46,272.46
  4. Step 4: Simplify right side
    74,328.92x = 5,160,519,443.41
  5. Step 5: Solve for x
    x = 5,160,519,443.41/74,328.92
  6. Step 6: Final answer
    x = 69,428.15

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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.