Home / 95,558.16-131,431.86-76,653.84

Finding the Fourth Proportional to 95,558.16, 131,431.86 and 76,653.84

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Solution

The fourth proportional to 95,558.16, 131,431.86 and 76,653.84 is: 105,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558.16 : 131,431.86 = 76,653.84 : x
  2. Step 2: Convert to fraction form
    95,558.16/131,431.86 = 76,653.84/x
  3. Step 3: Cross multiply
    95,558.16x = 131,431.86 × 76,653.84
  4. Step 4: Simplify right side
    95,558.16x = 10,074,756,767.34
  5. Step 5: Solve for x
    x = 10,074,756,767.34/95,558.16
  6. Step 6: Final answer
    x = 105,430.63

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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.