Home / 211,403.35-317,071.25-61,608.59

Finding the Fourth Proportional to 211,403.35, 317,071.25 and 61,608.59

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Solution

The fourth proportional to 211,403.35, 317,071.25 and 61,608.59 is: 92,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,403.35 : 317,071.25 = 61,608.59 : x
  2. Step 2: Convert to fraction form
    211,403.35/317,071.25 = 61,608.59/x
  3. Step 3: Cross multiply
    211,403.35x = 317,071.25 × 61,608.59
  4. Step 4: Simplify right side
    211,403.35x = 19,534,313,588.74
  5. Step 5: Solve for x
    x = 19,534,313,588.74/211,403.35
  6. Step 6: Final answer
    x = 92,403.05

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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.