Home / 74,326.20-111,575.70-44,777.40

Finding the Fourth Proportional to 74,326.20, 111,575.70 and 44,777.40

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Solution

The fourth proportional to 74,326.20, 111,575.70 and 44,777.40 is: 67,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.20 : 111,575.70 = 44,777.40 : x
  2. Step 2: Convert to fraction form
    74,326.20/111,575.70 = 44,777.40/x
  3. Step 3: Cross multiply
    74,326.20x = 111,575.70 × 44,777.40
  4. Step 4: Simplify right side
    74,326.20x = 4,996,069,749.18
  5. Step 5: Solve for x
    x = 4,996,069,749.18/74,326.20
  6. Step 6: Final answer
    x = 67,218.15

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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.