Home / 49,858.08-74,681.64-40,329.48

Finding the Fourth Proportional to 49,858.08, 74,681.64 and 40,329.48

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Solution

The fourth proportional to 49,858.08, 74,681.64 and 40,329.48 is: 60,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,858.08 : 74,681.64 = 40,329.48 : x
  2. Step 2: Convert to fraction form
    49,858.08/74,681.64 = 40,329.48/x
  3. Step 3: Cross multiply
    49,858.08x = 74,681.64 × 40,329.48
  4. Step 4: Simplify right side
    49,858.08x = 3,011,871,706.75
  5. Step 5: Solve for x
    x = 3,011,871,706.75/49,858.08
  6. Step 6: Final answer
    x = 60,408.90

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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.