Home / 85,803.68-118,404.24-49,999.52

Finding the Fourth Proportional to 85,803.68, 118,404.24 and 49,999.52

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Solution

The fourth proportional to 85,803.68, 118,404.24 and 49,999.52 is: 68,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.68 : 118,404.24 = 49,999.52 : x
  2. Step 2: Convert to fraction form
    85,803.68/118,404.24 = 49,999.52/x
  3. Step 3: Cross multiply
    85,803.68x = 118,404.24 × 49,999.52
  4. Step 4: Simplify right side
    85,803.68x = 5,920,155,165.96
  5. Step 5: Solve for x
    x = 5,920,155,165.96/85,803.68
  6. Step 6: Final answer
    x = 68,996.52

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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.