Home / 85,558.28-118,117.04-51,575.54

Finding the Fourth Proportional to 85,558.28, 118,117.04 and 51,575.54

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Solution

The fourth proportional to 85,558.28, 118,117.04 and 51,575.54 is: 71,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,558.28 : 118,117.04 = 51,575.54 : x
  2. Step 2: Convert to fraction form
    85,558.28/118,117.04 = 51,575.54/x
  3. Step 3: Cross multiply
    85,558.28x = 118,117.04 × 51,575.54
  4. Step 4: Simplify right side
    85,558.28x = 6,091,949,272.74
  5. Step 5: Solve for x
    x = 6,091,949,272.74/85,558.28
  6. Step 6: Final answer
    x = 71,202.34

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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.