Home / 79,671.22-119,580.67-40,256.03

Finding the Fourth Proportional to 79,671.22, 119,580.67 and 40,256.03

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Solution

The fourth proportional to 79,671.22, 119,580.67 and 40,256.03 is: 60,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,671.22 : 119,580.67 = 40,256.03 : x
  2. Step 2: Convert to fraction form
    79,671.22/119,580.67 = 40,256.03/x
  3. Step 3: Cross multiply
    79,671.22x = 119,580.67 × 40,256.03
  4. Step 4: Simplify right side
    79,671.22x = 4,813,843,038.94
  5. Step 5: Solve for x
    x = 4,813,843,038.94/79,671.22
  6. Step 6: Final answer
    x = 60,421.35

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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.