Home / 66,522.36-99,802.26-29,085.72

Finding the Fourth Proportional to 66,522.36, 99,802.26 and 29,085.72

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Solution

The fourth proportional to 66,522.36, 99,802.26 and 29,085.72 is: 43,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.36 : 99,802.26 = 29,085.72 : x
  2. Step 2: Convert to fraction form
    66,522.36/99,802.26 = 29,085.72/x
  3. Step 3: Cross multiply
    66,522.36x = 99,802.26 × 29,085.72
  4. Step 4: Simplify right side
    66,522.36x = 2,902,820,589.73
  5. Step 5: Solve for x
    x = 2,902,820,589.73/66,522.36
  6. Step 6: Final answer
    x = 43,636.76

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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.