Home / 74,437.20-111,504.60-46,270.80

Finding the Fourth Proportional to 74,437.20, 111,504.60 and 46,270.80

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Solution

The fourth proportional to 74,437.20, 111,504.60 and 46,270.80 is: 69,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.20 : 111,504.60 = 46,270.80 : x
  2. Step 2: Convert to fraction form
    74,437.20/111,504.60 = 46,270.80/x
  3. Step 3: Cross multiply
    74,437.20x = 111,504.60 × 46,270.80
  4. Step 4: Simplify right side
    74,437.20x = 5,159,407,045.68
  5. Step 5: Solve for x
    x = 5,159,407,045.68/74,437.20
  6. Step 6: Final answer
    x = 69,312.21

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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.