Home / 66,384.51-99,576.77-19,633.74

Finding the Fourth Proportional to 66,384.51, 99,576.77 and 19,633.74

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Solution

The fourth proportional to 66,384.51, 99,576.77 and 19,633.74 is: 29,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384.51 : 99,576.77 = 19,633.74 : x
  2. Step 2: Convert to fraction form
    66,384.51/99,576.77 = 19,633.74/x
  3. Step 3: Cross multiply
    66,384.51x = 99,576.77 × 19,633.74
  4. Step 4: Simplify right side
    66,384.51x = 1,955,064,314.05
  5. Step 5: Solve for x
    x = 1,955,064,314.05/66,384.51
  6. Step 6: Final answer
    x = 29,450.61

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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.