Home / 55,661.46-83,492.13-13,541.28

Finding the Fourth Proportional to 55,661.46, 83,492.13 and 13,541.28

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Solution

The fourth proportional to 55,661.46, 83,492.13 and 13,541.28 is: 20,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.46 : 83,492.13 = 13,541.28 : x
  2. Step 2: Convert to fraction form
    55,661.46/83,492.13 = 13,541.28/x
  3. Step 3: Cross multiply
    55,661.46x = 83,492.13 × 13,541.28
  4. Step 4: Simplify right side
    55,661.46x = 1,130,590,310.13
  5. Step 5: Solve for x
    x = 1,130,590,310.13/55,661.46
  6. Step 6: Final answer
    x = 20,311.91

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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.