Home / 70,360.44-105,408.23-34,780.11

Finding the Fourth Proportional to 70,360.44, 105,408.23 and 34,780.11

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Solution

The fourth proportional to 70,360.44, 105,408.23 and 34,780.11 is: 52,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.44 : 105,408.23 = 34,780.11 : x
  2. Step 2: Convert to fraction form
    70,360.44/105,408.23 = 34,780.11/x
  3. Step 3: Cross multiply
    70,360.44x = 105,408.23 × 34,780.11
  4. Step 4: Simplify right side
    70,360.44x = 3,666,109,660.40
  5. Step 5: Solve for x
    x = 3,666,109,660.40/70,360.44
  6. Step 6: Final answer
    x = 52,104.70

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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.