Home / 66,446.06-99,685.50-19,698.94

Finding the Fourth Proportional to 66,446.06, 99,685.50 and 19,698.94

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Solution

The fourth proportional to 66,446.06, 99,685.50 and 19,698.94 is: 29,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.06 : 99,685.50 = 19,698.94 : x
  2. Step 2: Convert to fraction form
    66,446.06/99,685.50 = 19,698.94/x
  3. Step 3: Cross multiply
    66,446.06x = 99,685.50 × 19,698.94
  4. Step 4: Simplify right side
    66,446.06x = 1,963,698,434.16
  5. Step 5: Solve for x
    x = 1,963,698,434.16/66,446.06
  6. Step 6: Final answer
    x = 29,553.27

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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.