Home / 109,636.20-164,454.30-47,306.70

Finding the Fourth Proportional to 109,636.20, 164,454.30 and 47,306.70

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Solution

The fourth proportional to 109,636.20, 164,454.30 and 47,306.70 is: 70,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,636.20 : 164,454.30 = 47,306.70 : x
  2. Step 2: Convert to fraction form
    109,636.20/164,454.30 = 47,306.70/x
  3. Step 3: Cross multiply
    109,636.20x = 164,454.30 × 47,306.70
  4. Step 4: Simplify right side
    109,636.20x = 7,779,790,233.81
  5. Step 5: Solve for x
    x = 7,779,790,233.81/109,636.20
  6. Step 6: Final answer
    x = 70,960.05

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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.