Home / 70,641.23-106,003.15-26,299.40

Finding the Fourth Proportional to 70,641.23, 106,003.15 and 26,299.40

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Solution

The fourth proportional to 70,641.23, 106,003.15 and 26,299.40 is: 39,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,641.23 : 106,003.15 = 26,299.40 : x
  2. Step 2: Convert to fraction form
    70,641.23/106,003.15 = 26,299.40/x
  3. Step 3: Cross multiply
    70,641.23x = 106,003.15 × 26,299.40
  4. Step 4: Simplify right side
    70,641.23x = 2,787,819,043.85
  5. Step 5: Solve for x
    x = 2,787,819,043.85/70,641.23
  6. Step 6: Final answer
    x = 39,464.48

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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.