Home / 89,132.90-133,634.55-36,515.30

Finding the Fourth Proportional to 89,132.90, 133,634.55 and 36,515.30

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Solution

The fourth proportional to 89,132.90, 133,634.55 and 36,515.30 is: 54,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.90 : 133,634.55 = 36,515.30 : x
  2. Step 2: Convert to fraction form
    89,132.90/133,634.55 = 36,515.30/x
  3. Step 3: Cross multiply
    89,132.90x = 133,634.55 × 36,515.30
  4. Step 4: Simplify right side
    89,132.90x = 4,879,705,683.62
  5. Step 5: Solve for x
    x = 4,879,705,683.62/89,132.90
  6. Step 6: Final answer
    x = 54,746.40

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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.