Home / 74,880.44-103,335-43,055.60

Finding the Fourth Proportional to 74,880.44, 103,335 and 43,055.60

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Solution

The fourth proportional to 74,880.44, 103,335 and 43,055.60 is: 59,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.44 : 103,335 = 43,055.60 : x
  2. Step 2: Convert to fraction form
    74,880.44/103,335 = 43,055.60/x
  3. Step 3: Cross multiply
    74,880.44x = 103,335 × 43,055.60
  4. Step 4: Simplify right side
    74,880.44x = 4,449,150,426
  5. Step 5: Solve for x
    x = 4,449,150,426/74,880.44
  6. Step 6: Final answer
    x = 59,416.72

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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.