Home / 109,617.22-164,328.63-53,425.90

Finding the Fourth Proportional to 109,617.22, 164,328.63 and 53,425.90

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Solution

The fourth proportional to 109,617.22, 164,328.63 and 53,425.90 is: 80,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,617.22 : 164,328.63 = 53,425.90 : x
  2. Step 2: Convert to fraction form
    109,617.22/164,328.63 = 53,425.90/x
  3. Step 3: Cross multiply
    109,617.22x = 164,328.63 × 53,425.90
  4. Step 4: Simplify right side
    109,617.22x = 8,779,404,953.52
  5. Step 5: Solve for x
    x = 8,779,404,953.52/109,617.22
  6. Step 6: Final answer
    x = 80,091.48

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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.