Home / 90,968.08-136,579.74-46,626.64

Finding the Fourth Proportional to 90,968.08, 136,579.74 and 46,626.64

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Solution

The fourth proportional to 90,968.08, 136,579.74 and 46,626.64 is: 70,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968.08 : 136,579.74 = 46,626.64 : x
  2. Step 2: Convert to fraction form
    90,968.08/136,579.74 = 46,626.64/x
  3. Step 3: Cross multiply
    90,968.08x = 136,579.74 × 46,626.64
  4. Step 4: Simplify right side
    90,968.08x = 6,368,254,368.27
  5. Step 5: Solve for x
    x = 6,368,254,368.27/90,968.08
  6. Step 6: Final answer
    x = 70,005.37

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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.