Home / 89,429.46-134,060.78-30,223.73

Finding the Fourth Proportional to 89,429.46, 134,060.78 and 30,223.73

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Solution

The fourth proportional to 89,429.46, 134,060.78 and 30,223.73 is: 45,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,429.46 : 134,060.78 = 30,223.73 : x
  2. Step 2: Convert to fraction form
    89,429.46/134,060.78 = 30,223.73/x
  3. Step 3: Cross multiply
    89,429.46x = 134,060.78 × 30,223.73
  4. Step 4: Simplify right side
    89,429.46x = 4,051,815,996.89
  5. Step 5: Solve for x
    x = 4,051,815,996.89/89,429.46
  6. Step 6: Final answer
    x = 45,307.40

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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.