Home / 51,870.80-77,806.20-46,233.20

Finding the Fourth Proportional to 51,870.80, 77,806.20 and 46,233.20

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Solution

The fourth proportional to 51,870.80, 77,806.20 and 46,233.20 is: 69,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.80 : 77,806.20 = 46,233.20 : x
  2. Step 2: Convert to fraction form
    51,870.80/77,806.20 = 46,233.20/x
  3. Step 3: Cross multiply
    51,870.80x = 77,806.20 × 46,233.20
  4. Step 4: Simplify right side
    51,870.80x = 3,597,229,605.84
  5. Step 5: Solve for x
    x = 3,597,229,605.84/51,870.80
  6. Step 6: Final answer
    x = 69,349.80

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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.