Home / 53,850.16-80,804.40-51,886.72

Finding the Fourth Proportional to 53,850.16, 80,804.40 and 51,886.72

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Solution

The fourth proportional to 53,850.16, 80,804.40 and 51,886.72 is: 77,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.16 : 80,804.40 = 51,886.72 : x
  2. Step 2: Convert to fraction form
    53,850.16/80,804.40 = 51,886.72/x
  3. Step 3: Cross multiply
    53,850.16x = 80,804.40 × 51,886.72
  4. Step 4: Simplify right side
    53,850.16x = 4,192,675,075.56
  5. Step 5: Solve for x
    x = 4,192,675,075.56/53,850.16
  6. Step 6: Final answer
    x = 77,858.18

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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.