Home / 59,097.09-81,899-57,975.65

Finding the Fourth Proportional to 59,097.09, 81,899 and 57,975.65

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Solution

The fourth proportional to 59,097.09, 81,899 and 57,975.65 is: 80,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,097.09 : 81,899 = 57,975.65 : x
  2. Step 2: Convert to fraction form
    59,097.09/81,899 = 57,975.65/x
  3. Step 3: Cross multiply
    59,097.09x = 81,899 × 57,975.65
  4. Step 4: Simplify right side
    59,097.09x = 4,748,147,759.35
  5. Step 5: Solve for x
    x = 4,748,147,759.35/59,097.09
  6. Step 6: Final answer
    x = 80,344.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.