Home / 77,792.37-116,682.90-30,398.58

Finding the Fourth Proportional to 77,792.37, 116,682.90 and 30,398.58

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Solution

The fourth proportional to 77,792.37, 116,682.90 and 30,398.58 is: 45,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,792.37 : 116,682.90 = 30,398.58 : x
  2. Step 2: Convert to fraction form
    77,792.37/116,682.90 = 30,398.58/x
  3. Step 3: Cross multiply
    77,792.37x = 116,682.90 × 30,398.58
  4. Step 4: Simplify right side
    77,792.37x = 3,546,994,470.28
  5. Step 5: Solve for x
    x = 3,546,994,470.28/77,792.37
  6. Step 6: Final answer
    x = 45,595.66

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1.5x scale

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.