Home / 61,811.52-85,285.58-41,705.70

Finding the Fourth Proportional to 61,811.52, 85,285.58 and 41,705.70

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Solution

The fourth proportional to 61,811.52, 85,285.58 and 41,705.70 is: 57,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.52 : 85,285.58 = 41,705.70 : x
  2. Step 2: Convert to fraction form
    61,811.52/85,285.58 = 41,705.70/x
  3. Step 3: Cross multiply
    61,811.52x = 85,285.58 × 41,705.70
  4. Step 4: Simplify right side
    61,811.52x = 3,556,894,813.81
  5. Step 5: Solve for x
    x = 3,556,894,813.81/61,811.52
  6. Step 6: Final answer
    x = 57,544.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.