Home / 66,340.05-99,548.95-47,599.89

Finding the Fourth Proportional to 66,340.05, 99,548.95 and 47,599.89

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Solution

The fourth proportional to 66,340.05, 99,548.95 and 47,599.89 is: 71,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.05 : 99,548.95 = 47,599.89 : x
  2. Step 2: Convert to fraction form
    66,340.05/99,548.95 = 47,599.89/x
  3. Step 3: Cross multiply
    66,340.05x = 99,548.95 × 47,599.89
  4. Step 4: Simplify right side
    66,340.05x = 4,738,518,571.87
  5. Step 5: Solve for x
    x = 4,738,518,571.87/66,340.05
  6. Step 6: Final answer
    x = 71,427.73

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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.