Home / 51,686.69-77,179.95-41,037.21

Finding the Fourth Proportional to 51,686.69, 77,179.95 and 41,037.21

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Solution

The fourth proportional to 51,686.69, 77,179.95 and 41,037.21 is: 61,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.69 : 77,179.95 = 41,037.21 : x
  2. Step 2: Convert to fraction form
    51,686.69/77,179.95 = 41,037.21/x
  3. Step 3: Cross multiply
    51,686.69x = 77,179.95 × 41,037.21
  4. Step 4: Simplify right side
    51,686.69x = 3,167,249,815.94
  5. Step 5: Solve for x
    x = 3,167,249,815.94/51,686.69
  6. Step 6: Final answer
    x = 61,277.87

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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.