Home / 66,389.12-99,593.50-22,006.08

Finding the Fourth Proportional to 66,389.12, 99,593.50 and 22,006.08

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Solution

The fourth proportional to 66,389.12, 99,593.50 and 22,006.08 is: 33,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.12 : 99,593.50 = 22,006.08 : x
  2. Step 2: Convert to fraction form
    66,389.12/99,593.50 = 22,006.08/x
  3. Step 3: Cross multiply
    66,389.12x = 99,593.50 × 22,006.08
  4. Step 4: Simplify right side
    66,389.12x = 2,191,662,169.47
  5. Step 5: Solve for x
    x = 2,191,662,169.47/66,389.12
  6. Step 6: Final answer
    x = 33,012.37

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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.