Home / 74,330.37-102,582.96-42,493.05

Finding the Fourth Proportional to 74,330.37, 102,582.96 and 42,493.05

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Solution

The fourth proportional to 74,330.37, 102,582.96 and 42,493.05 is: 58,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.37 : 102,582.96 = 42,493.05 : x
  2. Step 2: Convert to fraction form
    74,330.37/102,582.96 = 42,493.05/x
  3. Step 3: Cross multiply
    74,330.37x = 102,582.96 × 42,493.05
  4. Step 4: Simplify right side
    74,330.37x = 4,359,062,848.43
  5. Step 5: Solve for x
    x = 4,359,062,848.43/74,330.37
  6. Step 6: Final answer
    x = 58,644.44

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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.