Home / 81,566.48-112,556.76-45,749.84

Finding the Fourth Proportional to 81,566.48, 112,556.76 and 45,749.84

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Solution

The fourth proportional to 81,566.48, 112,556.76 and 45,749.84 is: 63,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,566.48 : 112,556.76 = 45,749.84 : x
  2. Step 2: Convert to fraction form
    81,566.48/112,556.76 = 45,749.84/x
  3. Step 3: Cross multiply
    81,566.48x = 112,556.76 × 45,749.84
  4. Step 4: Simplify right side
    81,566.48x = 5,149,453,760.92
  5. Step 5: Solve for x
    x = 5,149,453,760.92/81,566.48
  6. Step 6: Final answer
    x = 63,131.98

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1.5x scale

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.