Home / 109,647.03-164,338.08-53,402.83

Finding the Fourth Proportional to 109,647.03, 164,338.08 and 53,402.83

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Solution

The fourth proportional to 109,647.03, 164,338.08 and 53,402.83 is: 80,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.03 : 164,338.08 = 53,402.83 : x
  2. Step 2: Convert to fraction form
    109,647.03/164,338.08 = 53,402.83/x
  3. Step 3: Cross multiply
    109,647.03x = 164,338.08 × 53,402.83
  4. Step 4: Simplify right side
    109,647.03x = 8,776,118,548.77
  5. Step 5: Solve for x
    x = 8,776,118,548.77/109,647.03
  6. Step 6: Final answer
    x = 80,039.73

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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.