Home / 74,559.16-102,894.44-42,734.20

Finding the Fourth Proportional to 74,559.16, 102,894.44 and 42,734.20

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Solution

The fourth proportional to 74,559.16, 102,894.44 and 42,734.20 is: 58,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,559.16 : 102,894.44 = 42,734.20 : x
  2. Step 2: Convert to fraction form
    74,559.16/102,894.44 = 42,734.20/x
  3. Step 3: Cross multiply
    74,559.16x = 102,894.44 × 42,734.20
  4. Step 4: Simplify right side
    74,559.16x = 4,397,111,577.85
  5. Step 5: Solve for x
    x = 4,397,111,577.85/74,559.16
  6. Step 6: Final answer
    x = 58,974.80

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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.