Home / 115,374.37-173,053.36-31,139.34

Finding the Fourth Proportional to 115,374.37, 173,053.36 and 31,139.34

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Solution

The fourth proportional to 115,374.37, 173,053.36 and 31,139.34 is: 46,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,374.37 : 173,053.36 = 31,139.34 : x
  2. Step 2: Convert to fraction form
    115,374.37/173,053.36 = 31,139.34/x
  3. Step 3: Cross multiply
    115,374.37x = 173,053.36 × 31,139.34
  4. Step 4: Simplify right side
    115,374.37x = 5,388,767,415.18
  5. Step 5: Solve for x
    x = 5,388,767,415.18/115,374.37
  6. Step 6: Final answer
    x = 46,706.80

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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.