Home / 85,181.15-127,777.91-34,555.88

Finding the Fourth Proportional to 85,181.15, 127,777.91 and 34,555.88

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Solution

The fourth proportional to 85,181.15, 127,777.91 and 34,555.88 is: 51,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.15 : 127,777.91 = 34,555.88 : x
  2. Step 2: Convert to fraction form
    85,181.15/127,777.91 = 34,555.88/x
  3. Step 3: Cross multiply
    85,181.15x = 127,777.91 × 34,555.88
  4. Step 4: Simplify right side
    85,181.15x = 4,415,477,312.94
  5. Step 5: Solve for x
    x = 4,415,477,312.94/85,181.15
  6. Step 6: Final answer
    x = 51,836.32

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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.