Home / 69,075.64-103,729.02-60,385.96

Finding the Fourth Proportional to 69,075.64, 103,729.02 and 60,385.96

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Solution

The fourth proportional to 69,075.64, 103,729.02 and 60,385.96 is: 90,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.64 : 103,729.02 = 60,385.96 : x
  2. Step 2: Convert to fraction form
    69,075.64/103,729.02 = 60,385.96/x
  3. Step 3: Cross multiply
    69,075.64x = 103,729.02 × 60,385.96
  4. Step 4: Simplify right side
    69,075.64x = 6,263,776,452.56
  5. Step 5: Solve for x
    x = 6,263,776,452.56/69,075.64
  6. Step 6: Final answer
    x = 90,679.96

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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.