Home / 107,310.42-160,989.93-57,364.20

Finding the Fourth Proportional to 107,310.42, 160,989.93 and 57,364.20

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Solution

The fourth proportional to 107,310.42, 160,989.93 and 57,364.20 is: 86,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.42 : 160,989.93 = 57,364.20 : x
  2. Step 2: Convert to fraction form
    107,310.42/160,989.93 = 57,364.20/x
  3. Step 3: Cross multiply
    107,310.42x = 160,989.93 × 57,364.20
  4. Step 4: Simplify right side
    107,310.42x = 9,235,058,542.51
  5. Step 5: Solve for x
    x = 9,235,058,542.51/107,310.42
  6. Step 6: Final answer
    x = 86,059.29

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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.