Home / 55,664.61-83,496.70-13,544.20

Finding the Fourth Proportional to 55,664.61, 83,496.70 and 13,544.20

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Solution

The fourth proportional to 55,664.61, 83,496.70 and 13,544.20 is: 20,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.61 : 83,496.70 = 13,544.20 : x
  2. Step 2: Convert to fraction form
    55,664.61/83,496.70 = 13,544.20/x
  3. Step 3: Cross multiply
    55,664.61x = 83,496.70 × 13,544.20
  4. Step 4: Simplify right side
    55,664.61x = 1,130,896,004.14
  5. Step 5: Solve for x
    x = 1,130,896,004.14/55,664.61
  6. Step 6: Final answer
    x = 20,316.25

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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.