Home / 109,945.61-164,918.01-39,808.52

Finding the Fourth Proportional to 109,945.61, 164,918.01 and 39,808.52

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Solution

The fourth proportional to 109,945.61, 164,918.01 and 39,808.52 is: 59,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.61 : 164,918.01 = 39,808.52 : x
  2. Step 2: Convert to fraction form
    109,945.61/164,918.01 = 39,808.52/x
  3. Step 3: Cross multiply
    109,945.61x = 164,918.01 × 39,808.52
  4. Step 4: Simplify right side
    109,945.61x = 6,565,141,899.45
  5. Step 5: Solve for x
    x = 6,565,141,899.45/109,945.61
  6. Step 6: Final answer
    x = 59,712.63

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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.