Home / 90,876.21-125,514.14-60,608.94

Finding the Fourth Proportional to 90,876.21, 125,514.14 and 60,608.94

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Solution

The fourth proportional to 90,876.21, 125,514.14 and 60,608.94 is: 83,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.21 : 125,514.14 = 60,608.94 : x
  2. Step 2: Convert to fraction form
    90,876.21/125,514.14 = 60,608.94/x
  3. Step 3: Cross multiply
    90,876.21x = 125,514.14 × 60,608.94
  4. Step 4: Simplify right side
    90,876.21x = 7,607,278,677.37
  5. Step 5: Solve for x
    x = 7,607,278,677.37/90,876.21
  6. Step 6: Final answer
    x = 83,710.34

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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.