Home / 85,803.56-118,404.07-49,999.40

Finding the Fourth Proportional to 85,803.56, 118,404.07 and 49,999.40

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Solution

The fourth proportional to 85,803.56, 118,404.07 and 49,999.40 is: 68,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.56 : 118,404.07 = 49,999.40 : x
  2. Step 2: Convert to fraction form
    85,803.56/118,404.07 = 49,999.40/x
  3. Step 3: Cross multiply
    85,803.56x = 118,404.07 × 49,999.40
  4. Step 4: Simplify right side
    85,803.56x = 5,920,131,740.54
  5. Step 5: Solve for x
    x = 5,920,131,740.54/85,803.56
  6. Step 6: Final answer
    x = 68,996.35

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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.