Home / 40,782.90-61,133.04-27,636.60

Finding the Fourth Proportional to 40,782.90, 61,133.04 and 27,636.60

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Solution

The fourth proportional to 40,782.90, 61,133.04 and 27,636.60 is: 41,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.90 : 61,133.04 = 27,636.60 : x
  2. Step 2: Convert to fraction form
    40,782.90/61,133.04 = 27,636.60/x
  3. Step 3: Cross multiply
    40,782.90x = 61,133.04 × 27,636.60
  4. Step 4: Simplify right side
    40,782.90x = 1,689,509,373.26
  5. Step 5: Solve for x
    x = 1,689,509,373.26/40,782.90
  6. Step 6: Final answer
    x = 41,426.91

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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.