Home / 74,681.41-111,758.87-46,614.64

Finding the Fourth Proportional to 74,681.41, 111,758.87 and 46,614.64

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Solution

The fourth proportional to 74,681.41, 111,758.87 and 46,614.64 is: 69,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681.41 : 111,758.87 = 46,614.64 : x
  2. Step 2: Convert to fraction form
    74,681.41/111,758.87 = 46,614.64/x
  3. Step 3: Cross multiply
    74,681.41x = 111,758.87 × 46,614.64
  4. Step 4: Simplify right side
    74,681.41x = 5,209,599,258.78
  5. Step 5: Solve for x
    x = 5,209,599,258.78/74,681.41
  6. Step 6: Final answer
    x = 69,757.64

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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.