Home / 90,949.03-136,339.36-46,477.75

Finding the Fourth Proportional to 90,949.03, 136,339.36 and 46,477.75

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Solution

The fourth proportional to 90,949.03, 136,339.36 and 46,477.75 is: 69,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.03 : 136,339.36 = 46,477.75 : x
  2. Step 2: Convert to fraction form
    90,949.03/136,339.36 = 46,477.75/x
  3. Step 3: Cross multiply
    90,949.03x = 136,339.36 × 46,477.75
  4. Step 4: Simplify right side
    90,949.03x = 6,336,746,689.24
  5. Step 5: Solve for x
    x = 6,336,746,689.24/90,949.03
  6. Step 6: Final answer
    x = 69,673.60

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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.