Home / 54,513.84-81,777.78-17,075.64

Finding the Fourth Proportional to 54,513.84, 81,777.78 and 17,075.64

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Solution

The fourth proportional to 54,513.84, 81,777.78 and 17,075.64 is: 25,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.84 : 81,777.78 = 17,075.64 : x
  2. Step 2: Convert to fraction form
    54,513.84/81,777.78 = 17,075.64/x
  3. Step 3: Cross multiply
    54,513.84x = 81,777.78 × 17,075.64
  4. Step 4: Simplify right side
    54,513.84x = 1,396,407,931.28
  5. Step 5: Solve for x
    x = 1,396,407,931.28/54,513.84
  6. Step 6: Final answer
    x = 25,615.66

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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.