Home / 76,576.32-105,676.56-46,361.28

Finding the Fourth Proportional to 76,576.32, 105,676.56 and 46,361.28

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Solution

The fourth proportional to 76,576.32, 105,676.56 and 46,361.28 is: 63,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.32 : 105,676.56 = 46,361.28 : x
  2. Step 2: Convert to fraction form
    76,576.32/105,676.56 = 46,361.28/x
  3. Step 3: Cross multiply
    76,576.32x = 105,676.56 × 46,361.28
  4. Step 4: Simplify right side
    76,576.32x = 4,899,300,587.60
  5. Step 5: Solve for x
    x = 4,899,300,587.60/76,576.32
  6. Step 6: Final answer
    x = 63,979.32

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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.