Home / 91,222.52-136,832.84-28,893.04

Finding the Fourth Proportional to 91,222.52, 136,832.84 and 28,893.04

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Solution

The fourth proportional to 91,222.52, 136,832.84 and 28,893.04 is: 43,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,222.52 : 136,832.84 = 28,893.04 : x
  2. Step 2: Convert to fraction form
    91,222.52/136,832.84 = 28,893.04/x
  3. Step 3: Cross multiply
    91,222.52x = 136,832.84 × 28,893.04
  4. Step 4: Simplify right side
    91,222.52x = 3,953,516,719.43
  5. Step 5: Solve for x
    x = 3,953,516,719.43/91,222.52
  6. Step 6: Final answer
    x = 43,339.26

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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.