Home / 174,038.36-261,057.77-47,679.72

Finding the Fourth Proportional to 174,038.36, 261,057.77 and 47,679.72

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Solution

The fourth proportional to 174,038.36, 261,057.77 and 47,679.72 is: 71,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,038.36 : 261,057.77 = 47,679.72 : x
  2. Step 2: Convert to fraction form
    174,038.36/261,057.77 = 47,679.72/x
  3. Step 3: Cross multiply
    174,038.36x = 261,057.77 × 47,679.72
  4. Step 4: Simplify right side
    174,038.36x = 12,447,160,072.14
  5. Step 5: Solve for x
    x = 12,447,160,072.14/174,038.36
  6. Step 6: Final answer
    x = 71,519.64

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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.