Home / 51,135.60-76,688.28-23,039.40

Finding the Fourth Proportional to 51,135.60, 76,688.28 and 23,039.40

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Solution

The fourth proportional to 51,135.60, 76,688.28 and 23,039.40 is: 34,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.60 : 76,688.28 = 23,039.40 : x
  2. Step 2: Convert to fraction form
    51,135.60/76,688.28 = 23,039.40/x
  3. Step 3: Cross multiply
    51,135.60x = 76,688.28 × 23,039.40
  4. Step 4: Simplify right side
    51,135.60x = 1,766,851,958.23
  5. Step 5: Solve for x
    x = 1,766,851,958.23/51,135.60
  6. Step 6: Final answer
    x = 34,552.29

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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.