Home / 106,584.48-159,782.63-43,457.40

Finding the Fourth Proportional to 106,584.48, 159,782.63 and 43,457.40

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Solution

The fourth proportional to 106,584.48, 159,782.63 and 43,457.40 is: 65,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,584.48 : 159,782.63 = 43,457.40 : x
  2. Step 2: Convert to fraction form
    106,584.48/159,782.63 = 43,457.40/x
  3. Step 3: Cross multiply
    106,584.48x = 159,782.63 × 43,457.40
  4. Step 4: Simplify right side
    106,584.48x = 6,943,737,773.61
  5. Step 5: Solve for x
    x = 6,943,737,773.61/106,584.48
  6. Step 6: Final answer
    x = 65,147.74

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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.