Home / 45,167.40-67,782.18-15,585.25

Finding the Fourth Proportional to 45,167.40, 67,782.18 and 15,585.25

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Solution

The fourth proportional to 45,167.40, 67,782.18 and 15,585.25 is: 23,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167.40 : 67,782.18 = 15,585.25 : x
  2. Step 2: Convert to fraction form
    45,167.40/67,782.18 = 15,585.25/x
  3. Step 3: Cross multiply
    45,167.40x = 67,782.18 × 15,585.25
  4. Step 4: Simplify right side
    45,167.40x = 1,056,402,220.85
  5. Step 5: Solve for x
    x = 1,056,402,220.85/45,167.40
  6. Step 6: Final answer
    x = 23,388.60

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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.