Home / 55,421.61-76,382.94-41,960.62

Finding the Fourth Proportional to 55,421.61, 76,382.94 and 41,960.62

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Solution

The fourth proportional to 55,421.61, 76,382.94 and 41,960.62 is: 57,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.61 : 76,382.94 = 41,960.62 : x
  2. Step 2: Convert to fraction form
    55,421.61/76,382.94 = 41,960.62/x
  3. Step 3: Cross multiply
    55,421.61x = 76,382.94 × 41,960.62
  4. Step 4: Simplify right side
    55,421.61x = 3,205,075,519.82
  5. Step 5: Solve for x
    x = 3,205,075,519.82/55,421.61
  6. Step 6: Final answer
    x = 57,830.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.