Home / 85,180.65-127,777.16-34,555.38

Finding the Fourth Proportional to 85,180.65, 127,777.16 and 34,555.38

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Solution

The fourth proportional to 85,180.65, 127,777.16 and 34,555.38 is: 51,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180.65 : 127,777.16 = 34,555.38 : x
  2. Step 2: Convert to fraction form
    85,180.65/127,777.16 = 34,555.38/x
  3. Step 3: Cross multiply
    85,180.65x = 127,777.16 × 34,555.38
  4. Step 4: Simplify right side
    85,180.65x = 4,415,388,319.12
  5. Step 5: Solve for x
    x = 4,415,388,319.12/85,180.65
  6. Step 6: Final answer
    x = 51,835.58

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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.