Home / 106,322.40-146,562.48-68,548.32

Finding the Fourth Proportional to 106,322.40, 146,562.48 and 68,548.32

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Solution

The fourth proportional to 106,322.40, 146,562.48 and 68,548.32 is: 94,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,322.40 : 146,562.48 = 68,548.32 : x
  2. Step 2: Convert to fraction form
    106,322.40/146,562.48 = 68,548.32/x
  3. Step 3: Cross multiply
    106,322.40x = 146,562.48 × 68,548.32
  4. Step 4: Simplify right side
    106,322.40x = 10,046,611,779.03
  5. Step 5: Solve for x
    x = 10,046,611,779.03/106,322.40
  6. Step 6: Final answer
    x = 94,491.96

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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.