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Finding the Fourth Proportional to 79,575.35, 119,362.63 and 19,603.71

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Solution

The fourth proportional to 79,575.35, 119,362.63 and 19,603.71 is: 29,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.35 : 119,362.63 = 19,603.71 : x
  2. Step 2: Convert to fraction form
    79,575.35/119,362.63 = 19,603.71/x
  3. Step 3: Cross multiply
    79,575.35x = 119,362.63 × 19,603.71
  4. Step 4: Simplify right side
    79,575.35x = 2,339,950,285.34
  5. Step 5: Solve for x
    x = 2,339,950,285.34/79,575.35
  6. Step 6: Final answer
    x = 29,405.47

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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.