Home / 84,070.08-125,882.64-50,745.60

Finding the Fourth Proportional to 84,070.08, 125,882.64 and 50,745.60

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Solution

The fourth proportional to 84,070.08, 125,882.64 and 50,745.60 is: 75,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.08 : 125,882.64 = 50,745.60 : x
  2. Step 2: Convert to fraction form
    84,070.08/125,882.64 = 50,745.60/x
  3. Step 3: Cross multiply
    84,070.08x = 125,882.64 × 50,745.60
  4. Step 4: Simplify right side
    84,070.08x = 6,387,990,096.38
  5. Step 5: Solve for x
    x = 6,387,990,096.38/84,070.08
  6. Step 6: Final answer
    x = 75,984.11

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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.