Home / 78,812.10-118,232.55-32,069.70

Finding the Fourth Proportional to 78,812.10, 118,232.55 and 32,069.70

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Solution

The fourth proportional to 78,812.10, 118,232.55 and 32,069.70 is: 48,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,812.10 : 118,232.55 = 32,069.70 : x
  2. Step 2: Convert to fraction form
    78,812.10/118,232.55 = 32,069.70/x
  3. Step 3: Cross multiply
    78,812.10x = 118,232.55 × 32,069.70
  4. Step 4: Simplify right side
    78,812.10x = 3,791,682,408.74
  5. Step 5: Solve for x
    x = 3,791,682,408.74/78,812.10
  6. Step 6: Final answer
    x = 48,110.41

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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.