Home / 74,399.66-111,635.20-46,312.38

Finding the Fourth Proportional to 74,399.66, 111,635.20 and 46,312.38

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Solution

The fourth proportional to 74,399.66, 111,635.20 and 46,312.38 is: 69,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,399.66 : 111,635.20 = 46,312.38 : x
  2. Step 2: Convert to fraction form
    74,399.66/111,635.20 = 46,312.38/x
  3. Step 3: Cross multiply
    74,399.66x = 111,635.20 × 46,312.38
  4. Step 4: Simplify right side
    74,399.66x = 5,170,091,803.78
  5. Step 5: Solve for x
    x = 5,170,091,803.78/74,399.66
  6. Step 6: Final answer
    x = 69,490.80

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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.