Home / 85,070.50-117,404.07-49,261.14

Finding the Fourth Proportional to 85,070.50, 117,404.07 and 49,261.14

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Solution

The fourth proportional to 85,070.50, 117,404.07 and 49,261.14 is: 67,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.50 : 117,404.07 = 49,261.14 : x
  2. Step 2: Convert to fraction form
    85,070.50/117,404.07 = 49,261.14/x
  3. Step 3: Cross multiply
    85,070.50x = 117,404.07 × 49,261.14
  4. Step 4: Simplify right side
    85,070.50x = 5,783,458,144.11
  5. Step 5: Solve for x
    x = 5,783,458,144.11/85,070.50
  6. Step 6: Final answer
    x = 67,984.30

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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.