Home / 85,800.34-118,404.39-48,074.86

Finding the Fourth Proportional to 85,800.34, 118,404.39 and 48,074.86

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Solution

The fourth proportional to 85,800.34, 118,404.39 and 48,074.86 is: 66,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,800.34 : 118,404.39 = 48,074.86 : x
  2. Step 2: Convert to fraction form
    85,800.34/118,404.39 = 48,074.86/x
  3. Step 3: Cross multiply
    85,800.34x = 118,404.39 × 48,074.86
  4. Step 4: Simplify right side
    85,800.34x = 5,692,274,472.64
  5. Step 5: Solve for x
    x = 5,692,274,472.64/85,800.34
  6. Step 6: Final answer
    x = 66,343.26

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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.