Home / 51,223.44-70,688.88-28,564.50

Finding the Fourth Proportional to 51,223.44, 70,688.88 and 28,564.50

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Solution

The fourth proportional to 51,223.44, 70,688.88 and 28,564.50 is: 39,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.44 : 70,688.88 = 28,564.50 : x
  2. Step 2: Convert to fraction form
    51,223.44/70,688.88 = 28,564.50/x
  3. Step 3: Cross multiply
    51,223.44x = 70,688.88 × 28,564.50
  4. Step 4: Simplify right side
    51,223.44x = 2,019,192,512.76
  5. Step 5: Solve for x
    x = 2,019,192,512.76/51,223.44
  6. Step 6: Final answer
    x = 39,419.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.