Home / 74,445.26-102,750.66-45,789.55

Finding the Fourth Proportional to 74,445.26, 102,750.66 and 45,789.55

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Solution

The fourth proportional to 74,445.26, 102,750.66 and 45,789.55 is: 63,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.26 : 102,750.66 = 45,789.55 : x
  2. Step 2: Convert to fraction form
    74,445.26/102,750.66 = 45,789.55/x
  3. Step 3: Cross multiply
    74,445.26x = 102,750.66 × 45,789.55
  4. Step 4: Simplify right side
    74,445.26x = 4,704,905,740.90
  5. Step 5: Solve for x
    x = 4,704,905,740.90/74,445.26
  6. Step 6: Final answer
    x = 63,199.54

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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.