Home / 54,210.57-81,299.43-14,762.55

Finding the Fourth Proportional to 54,210.57, 81,299.43 and 14,762.55

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Solution

The fourth proportional to 54,210.57, 81,299.43 and 14,762.55 is: 22,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,210.57 : 81,299.43 = 14,762.55 : x
  2. Step 2: Convert to fraction form
    54,210.57/81,299.43 = 14,762.55/x
  3. Step 3: Cross multiply
    54,210.57x = 81,299.43 × 14,762.55
  4. Step 4: Simplify right side
    54,210.57x = 1,200,186,900.35
  5. Step 5: Solve for x
    x = 1,200,186,900.35/54,210.57
  6. Step 6: Final answer
    x = 22,139.35

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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.