Home / 45,543.95-68,323.71-15,556.54

Finding the Fourth Proportional to 45,543.95, 68,323.71 and 15,556.54

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Solution

The fourth proportional to 45,543.95, 68,323.71 and 15,556.54 is: 23,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.95 : 68,323.71 = 15,556.54 : x
  2. Step 2: Convert to fraction form
    45,543.95/68,323.71 = 15,556.54/x
  3. Step 3: Cross multiply
    45,543.95x = 68,323.71 × 15,556.54
  4. Step 4: Simplify right side
    45,543.95x = 1,062,880,612.97
  5. Step 5: Solve for x
    x = 1,062,880,612.97/45,543.95
  6. Step 6: Final answer
    x = 23,337.47

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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.