Home / 74,334.44-102,582.78-42,503.60

Finding the Fourth Proportional to 74,334.44, 102,582.78 and 42,503.60

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Solution

The fourth proportional to 74,334.44, 102,582.78 and 42,503.60 is: 58,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.44 : 102,582.78 = 42,503.60 : x
  2. Step 2: Convert to fraction form
    74,334.44/102,582.78 = 42,503.60/x
  3. Step 3: Cross multiply
    74,334.44x = 102,582.78 × 42,503.60
  4. Step 4: Simplify right side
    74,334.44x = 4,360,137,448.01
  5. Step 5: Solve for x
    x = 4,360,137,448.01/74,334.44
  6. Step 6: Final answer
    x = 58,655.68

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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.