Home / 51,975.21-77,586.84-45,669.55

Finding the Fourth Proportional to 51,975.21, 77,586.84 and 45,669.55

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Solution

The fourth proportional to 51,975.21, 77,586.84 and 45,669.55 is: 68,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.21 : 77,586.84 = 45,669.55 : x
  2. Step 2: Convert to fraction form
    51,975.21/77,586.84 = 45,669.55/x
  3. Step 3: Cross multiply
    51,975.21x = 77,586.84 × 45,669.55
  4. Step 4: Simplify right side
    51,975.21x = 3,543,356,068.72
  5. Step 5: Solve for x
    x = 3,543,356,068.72/51,975.21
  6. Step 6: Final answer
    x = 68,173.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.