Home / 70,301.20-105,554.20-49,616.40

Finding the Fourth Proportional to 70,301.20, 105,554.20 and 49,616.40

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Solution

The fourth proportional to 70,301.20, 105,554.20 and 49,616.40 is: 74,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.20 : 105,554.20 = 49,616.40 : x
  2. Step 2: Convert to fraction form
    70,301.20/105,554.20 = 49,616.40/x
  3. Step 3: Cross multiply
    70,301.20x = 105,554.20 × 49,616.40
  4. Step 4: Simplify right side
    70,301.20x = 5,237,219,408.88
  5. Step 5: Solve for x
    x = 5,237,219,408.88/70,301.20
  6. Step 6: Final answer
    x = 74,496.87

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1.5x scale

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.