Home / 52,056.48-78,084.72-12,613.44

Finding the Fourth Proportional to 52,056.48, 78,084.72 and 12,613.44

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Solution

The fourth proportional to 52,056.48, 78,084.72 and 12,613.44 is: 18,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,056.48 : 78,084.72 = 12,613.44 : x
  2. Step 2: Convert to fraction form
    52,056.48/78,084.72 = 12,613.44/x
  3. Step 3: Cross multiply
    52,056.48x = 78,084.72 × 12,613.44
  4. Step 4: Simplify right side
    52,056.48x = 984,916,930.64
  5. Step 5: Solve for x
    x = 984,916,930.64/52,056.48
  6. Step 6: Final answer
    x = 18,920.16

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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.