Home / 66,125.52-99,205.05-30,612.46

Finding the Fourth Proportional to 66,125.52, 99,205.05 and 30,612.46

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Solution

The fourth proportional to 66,125.52, 99,205.05 and 30,612.46 is: 45,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.52 : 99,205.05 = 30,612.46 : x
  2. Step 2: Convert to fraction form
    66,125.52/99,205.05 = 30,612.46/x
  3. Step 3: Cross multiply
    66,125.52x = 99,205.05 × 30,612.46
  4. Step 4: Simplify right side
    66,125.52x = 3,036,910,624.92
  5. Step 5: Solve for x
    x = 3,036,910,624.92/66,125.52
  6. Step 6: Final answer
    x = 45,926.45

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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.