Home / 28,050.71-42,075.73-8,060.70

Finding the Fourth Proportional to 28,050.71, 42,075.73 and 8,060.70

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Solution

The fourth proportional to 28,050.71, 42,075.73 and 8,060.70 is: 12,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.71 : 42,075.73 = 8,060.70 : x
  2. Step 2: Convert to fraction form
    28,050.71/42,075.73 = 8,060.70/x
  3. Step 3: Cross multiply
    28,050.71x = 42,075.73 × 8,060.70
  4. Step 4: Simplify right side
    28,050.71x = 339,159,836.81
  5. Step 5: Solve for x
    x = 339,159,836.81/28,050.71
  6. Step 6: Final answer
    x = 12,090.95

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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.