Home / 84,725.67-127,133.06-40,344.15

Finding the Fourth Proportional to 84,725.67, 127,133.06 and 40,344.15

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Solution

The fourth proportional to 84,725.67, 127,133.06 and 40,344.15 is: 60,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.67 : 127,133.06 = 40,344.15 : x
  2. Step 2: Convert to fraction form
    84,725.67/127,133.06 = 40,344.15/x
  3. Step 3: Cross multiply
    84,725.67x = 127,133.06 × 40,344.15
  4. Step 4: Simplify right side
    84,725.67x = 5,129,075,040.88
  5. Step 5: Solve for x
    x = 5,129,075,040.88/84,725.67
  6. Step 6: Final answer
    x = 60,537.44

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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.