Home / 79,406.10-118,999.80-52,676.10

Finding the Fourth Proportional to 79,406.10, 118,999.80 and 52,676.10

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Solution

The fourth proportional to 79,406.10, 118,999.80 and 52,676.10 is: 78,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,406.10 : 118,999.80 = 52,676.10 : x
  2. Step 2: Convert to fraction form
    79,406.10/118,999.80 = 52,676.10/x
  3. Step 3: Cross multiply
    79,406.10x = 118,999.80 × 52,676.10
  4. Step 4: Simplify right side
    79,406.10x = 6,268,445,364.78
  5. Step 5: Solve for x
    x = 6,268,445,364.78/79,406.10
  6. Step 6: Final answer
    x = 78,941.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.