Home / 74,150.10-111,261.60-34,700.40

Finding the Fourth Proportional to 74,150.10, 111,261.60 and 34,700.40

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Solution

The fourth proportional to 74,150.10, 111,261.60 and 34,700.40 is: 52,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.10 : 111,261.60 = 34,700.40 : x
  2. Step 2: Convert to fraction form
    74,150.10/111,261.60 = 34,700.40/x
  3. Step 3: Cross multiply
    74,150.10x = 111,261.60 × 34,700.40
  4. Step 4: Simplify right side
    74,150.10x = 3,860,822,024.64
  5. Step 5: Solve for x
    x = 3,860,822,024.64/74,150.10
  6. Step 6: Final answer
    x = 52,067.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.