Home / 54,487.23-81,730.69-14,506.21

Finding the Fourth Proportional to 54,487.23, 81,730.69 and 14,506.21

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Solution

The fourth proportional to 54,487.23, 81,730.69 and 14,506.21 is: 21,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.23 : 81,730.69 = 14,506.21 : x
  2. Step 2: Convert to fraction form
    54,487.23/81,730.69 = 14,506.21/x
  3. Step 3: Cross multiply
    54,487.23x = 81,730.69 × 14,506.21
  4. Step 4: Simplify right side
    54,487.23x = 1,185,602,552.58
  5. Step 5: Solve for x
    x = 1,185,602,552.58/54,487.23
  6. Step 6: Final answer
    x = 21,759.27

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1.5x scale

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.