Home / 74,968.39-103,415.43-48,080.98

Finding the Fourth Proportional to 74,968.39, 103,415.43 and 48,080.98

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Solution

The fourth proportional to 74,968.39, 103,415.43 and 48,080.98 is: 66,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.39 : 103,415.43 = 48,080.98 : x
  2. Step 2: Convert to fraction form
    74,968.39/103,415.43 = 48,080.98/x
  3. Step 3: Cross multiply
    74,968.39x = 103,415.43 × 48,080.98
  4. Step 4: Simplify right side
    74,968.39x = 4,972,315,221.52
  5. Step 5: Solve for x
    x = 4,972,315,221.52/74,968.39
  6. Step 6: Final answer
    x = 66,325.49

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1.5x scale

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.