Home / 66,666.41-99,999.70-27,223.52

Finding the Fourth Proportional to 66,666.41, 99,999.70 and 27,223.52

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Solution

The fourth proportional to 66,666.41, 99,999.70 and 27,223.52 is: 40,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666.41 : 99,999.70 = 27,223.52 : x
  2. Step 2: Convert to fraction form
    66,666.41/99,999.70 = 27,223.52/x
  3. Step 3: Cross multiply
    66,666.41x = 99,999.70 × 27,223.52
  4. Step 4: Simplify right side
    66,666.41x = 2,722,343,651.00
  5. Step 5: Solve for x
    x = 2,722,343,651.00/66,666.41
  6. Step 6: Final answer
    x = 40,835.32

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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.