Home / 90,858.79-136,316.09-46,516.66

Finding the Fourth Proportional to 90,858.79, 136,316.09 and 46,516.66

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Solution

The fourth proportional to 90,858.79, 136,316.09 and 46,516.66 is: 69,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,858.79 : 136,316.09 = 46,516.66 : x
  2. Step 2: Convert to fraction form
    90,858.79/136,316.09 = 46,516.66/x
  3. Step 3: Cross multiply
    90,858.79x = 136,316.09 × 46,516.66
  4. Step 4: Simplify right side
    90,858.79x = 6,340,969,211.06
  5. Step 5: Solve for x
    x = 6,340,969,211.06/90,858.79
  6. Step 6: Final answer
    x = 69,789.28

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1.5x scale

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.