Home / 74,880.75-103,323.69-43,043.70

Finding the Fourth Proportional to 74,880.75, 103,323.69 and 43,043.70

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Solution

The fourth proportional to 74,880.75, 103,323.69 and 43,043.70 is: 59,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.75 : 103,323.69 = 43,043.70 : x
  2. Step 2: Convert to fraction form
    74,880.75/103,323.69 = 43,043.70/x
  3. Step 3: Cross multiply
    74,880.75x = 103,323.69 × 43,043.70
  4. Step 4: Simplify right side
    74,880.75x = 4,447,433,915.25
  5. Step 5: Solve for x
    x = 4,447,433,915.25/74,880.75
  6. Step 6: Final answer
    x = 59,393.55

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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.