Home / 103,259.88-154,875.18-33,130.08

Finding the Fourth Proportional to 103,259.88, 154,875.18 and 33,130.08

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Solution

The fourth proportional to 103,259.88, 154,875.18 and 33,130.08 is: 49,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,259.88 : 154,875.18 = 33,130.08 : x
  2. Step 2: Convert to fraction form
    103,259.88/154,875.18 = 33,130.08/x
  3. Step 3: Cross multiply
    103,259.88x = 154,875.18 × 33,130.08
  4. Step 4: Simplify right side
    103,259.88x = 5,131,027,103.41
  5. Step 5: Solve for x
    x = 5,131,027,103.41/103,259.88
  6. Step 6: Final answer
    x = 49,690.42

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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.