Home / 55,543.14-83,324.43-20,483.10

Finding the Fourth Proportional to 55,543.14, 83,324.43 and 20,483.10

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Solution

The fourth proportional to 55,543.14, 83,324.43 and 20,483.10 is: 30,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.14 : 83,324.43 = 20,483.10 : x
  2. Step 2: Convert to fraction form
    55,543.14/83,324.43 = 20,483.10/x
  3. Step 3: Cross multiply
    55,543.14x = 83,324.43 × 20,483.10
  4. Step 4: Simplify right side
    55,543.14x = 1,706,742,632.13
  5. Step 5: Solve for x
    x = 1,706,742,632.13/55,543.14
  6. Step 6: Final answer
    x = 30,728.23

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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.