Home / 51,032.62-70,459.38-45,638.32

Finding the Fourth Proportional to 51,032.62, 70,459.38 and 45,638.32

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Solution

The fourth proportional to 51,032.62, 70,459.38 and 45,638.32 is: 63,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,032.62 : 70,459.38 = 45,638.32 : x
  2. Step 2: Convert to fraction form
    51,032.62/70,459.38 = 45,638.32/x
  3. Step 3: Cross multiply
    51,032.62x = 70,459.38 × 45,638.32
  4. Step 4: Simplify right side
    51,032.62x = 3,215,647,731.44
  5. Step 5: Solve for x
    x = 3,215,647,731.44/51,032.62
  6. Step 6: Final answer
    x = 63,011.61

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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.