Home / 55,986.72-83,962.76-18,539.04

Finding the Fourth Proportional to 55,986.72, 83,962.76 and 18,539.04

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Solution

The fourth proportional to 55,986.72, 83,962.76 and 18,539.04 is: 27,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.72 : 83,962.76 = 18,539.04 : x
  2. Step 2: Convert to fraction form
    55,986.72/83,962.76 = 18,539.04/x
  3. Step 3: Cross multiply
    55,986.72x = 83,962.76 × 18,539.04
  4. Step 4: Simplify right side
    55,986.72x = 1,556,588,966.15
  5. Step 5: Solve for x
    x = 1,556,588,966.15/55,986.72
  6. Step 6: Final answer
    x = 27,802.82

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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.