Home / 106,453.30-146,900.61-61,099.36

Finding the Fourth Proportional to 106,453.30, 146,900.61 and 61,099.36

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Solution

The fourth proportional to 106,453.30, 146,900.61 and 61,099.36 is: 84,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,453.30 : 146,900.61 = 61,099.36 : x
  2. Step 2: Convert to fraction form
    106,453.30/146,900.61 = 61,099.36/x
  3. Step 3: Cross multiply
    106,453.30x = 146,900.61 × 61,099.36
  4. Step 4: Simplify right side
    106,453.30x = 8,975,533,254.61
  5. Step 5: Solve for x
    x = 8,975,533,254.61/106,453.30
  6. Step 6: Final answer
    x = 84,314.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.