Home / 66,360.78-99,307.26-41,412.60

Finding the Fourth Proportional to 66,360.78, 99,307.26 and 41,412.60

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Solution

The fourth proportional to 66,360.78, 99,307.26 and 41,412.60 is: 61,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.78 : 99,307.26 = 41,412.60 : x
  2. Step 2: Convert to fraction form
    66,360.78/99,307.26 = 41,412.60/x
  3. Step 3: Cross multiply
    66,360.78x = 99,307.26 × 41,412.60
  4. Step 4: Simplify right side
    66,360.78x = 4,112,571,835.48
  5. Step 5: Solve for x
    x = 4,112,571,835.48/66,360.78
  6. Step 6: Final answer
    x = 61,972.93

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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.