Home / 85,882.61-118,519.23-51,886.37

Finding the Fourth Proportional to 85,882.61, 118,519.23 and 51,886.37

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Solution

The fourth proportional to 85,882.61, 118,519.23 and 51,886.37 is: 71,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,882.61 : 118,519.23 = 51,886.37 : x
  2. Step 2: Convert to fraction form
    85,882.61/118,519.23 = 51,886.37/x
  3. Step 3: Cross multiply
    85,882.61x = 118,519.23 × 51,886.37
  4. Step 4: Simplify right side
    85,882.61x = 6,149,532,619.90
  5. Step 5: Solve for x
    x = 6,149,532,619.90/85,882.61
  6. Step 6: Final answer
    x = 71,603.93

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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.