Home / 85,326.08-117,749.03-47,085.92

Finding the Fourth Proportional to 85,326.08, 117,749.03 and 47,085.92

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Solution

The fourth proportional to 85,326.08, 117,749.03 and 47,085.92 is: 64,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.08 : 117,749.03 = 47,085.92 : x
  2. Step 2: Convert to fraction form
    85,326.08/117,749.03 = 47,085.92/x
  3. Step 3: Cross multiply
    85,326.08x = 117,749.03 × 47,085.92
  4. Step 4: Simplify right side
    85,326.08x = 5,544,320,582.48
  5. Step 5: Solve for x
    x = 5,544,320,582.48/85,326.08
  6. Step 6: Final answer
    x = 64,978.03

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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.