Home / 55,661.56-83,491.19-13,541.87

Finding the Fourth Proportional to 55,661.56, 83,491.19 and 13,541.87

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Solution

The fourth proportional to 55,661.56, 83,491.19 and 13,541.87 is: 20,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.56 : 83,491.19 = 13,541.87 : x
  2. Step 2: Convert to fraction form
    55,661.56/83,491.19 = 13,541.87/x
  3. Step 3: Cross multiply
    55,661.56x = 83,491.19 × 13,541.87
  4. Step 4: Simplify right side
    55,661.56x = 1,130,626,494.28
  5. Step 5: Solve for x
    x = 1,130,626,494.28/55,661.56
  6. Step 6: Final answer
    x = 20,312.52

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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.