Home / 90,857.41-136,314.03-46,515.29

Finding the Fourth Proportional to 90,857.41, 136,314.03 and 46,515.29

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Solution

The fourth proportional to 90,857.41, 136,314.03 and 46,515.29 is: 69,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,857.41 : 136,314.03 = 46,515.29 : x
  2. Step 2: Convert to fraction form
    90,857.41/136,314.03 = 46,515.29/x
  3. Step 3: Cross multiply
    90,857.41x = 136,314.03 × 46,515.29
  4. Step 4: Simplify right side
    90,857.41x = 6,340,686,636.52
  5. Step 5: Solve for x
    x = 6,340,686,636.52/90,857.41
  6. Step 6: Final answer
    x = 69,787.23

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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.