Home / 66,184.70-99,293.75-19,437.57

Finding the Fourth Proportional to 66,184.70, 99,293.75 and 19,437.57

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Solution

The fourth proportional to 66,184.70, 99,293.75 and 19,437.57 is: 29,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.70 : 99,293.75 = 19,437.57 : x
  2. Step 2: Convert to fraction form
    66,184.70/99,293.75 = 19,437.57/x
  3. Step 3: Cross multiply
    66,184.70x = 99,293.75 × 19,437.57
  4. Step 4: Simplify right side
    66,184.70x = 1,930,029,191.89
  5. Step 5: Solve for x
    x = 1,930,029,191.89/66,184.70
  6. Step 6: Final answer
    x = 29,161.26

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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.