Home / 75,235.37-112,853.25-19,075.50

Finding the Fourth Proportional to 75,235.37, 112,853.25 and 19,075.50

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Solution

The fourth proportional to 75,235.37, 112,853.25 and 19,075.50 is: 28,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,235.37 : 112,853.25 = 19,075.50 : x
  2. Step 2: Convert to fraction form
    75,235.37/112,853.25 = 19,075.50/x
  3. Step 3: Cross multiply
    75,235.37x = 112,853.25 × 19,075.50
  4. Step 4: Simplify right side
    75,235.37x = 2,152,732,170.38
  5. Step 5: Solve for x
    x = 2,152,732,170.38/75,235.37
  6. Step 6: Final answer
    x = 28,613.30

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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.