Home / 118,024.88-162,874.48-70,279.84

Finding the Fourth Proportional to 118,024.88, 162,874.48 and 70,279.84

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Solution

The fourth proportional to 118,024.88, 162,874.48 and 70,279.84 is: 96,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,024.88 : 162,874.48 = 70,279.84 : x
  2. Step 2: Convert to fraction form
    118,024.88/162,874.48 = 70,279.84/x
  3. Step 3: Cross multiply
    118,024.88x = 162,874.48 × 70,279.84
  4. Step 4: Simplify right side
    118,024.88x = 11,446,792,394.48
  5. Step 5: Solve for x
    x = 11,446,792,394.48/118,024.88
  6. Step 6: Final answer
    x = 96,986.27

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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.