Home / 52,085.45-77,670.80-51,611.83

Finding the Fourth Proportional to 52,085.45, 77,670.80 and 51,611.83

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Solution

The fourth proportional to 52,085.45, 77,670.80 and 51,611.83 is: 76,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.45 : 77,670.80 = 51,611.83 : x
  2. Step 2: Convert to fraction form
    52,085.45/77,670.80 = 51,611.83/x
  3. Step 3: Cross multiply
    52,085.45x = 77,670.80 × 51,611.83
  4. Step 4: Simplify right side
    52,085.45x = 4,008,732,125.56
  5. Step 5: Solve for x
    x = 4,008,732,125.56/52,085.45
  6. Step 6: Final answer
    x = 76,964.53

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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.