Home / 68,073.53-102,075.20-30,601.58

Finding the Fourth Proportional to 68,073.53, 102,075.20 and 30,601.58

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Solution

The fourth proportional to 68,073.53, 102,075.20 and 30,601.58 is: 45,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.53 : 102,075.20 = 30,601.58 : x
  2. Step 2: Convert to fraction form
    68,073.53/102,075.20 = 30,601.58/x
  3. Step 3: Cross multiply
    68,073.53x = 102,075.20 × 30,601.58
  4. Step 4: Simplify right side
    68,073.53x = 3,123,662,245.81
  5. Step 5: Solve for x
    x = 3,123,662,245.81/68,073.53
  6. Step 6: Final answer
    x = 45,886.59

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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.