Home / 51,549.60-76,706.88-51,374.64

Finding the Fourth Proportional to 51,549.60, 76,706.88 and 51,374.64

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Solution

The fourth proportional to 51,549.60, 76,706.88 and 51,374.64 is: 76,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.60 : 76,706.88 = 51,374.64 : x
  2. Step 2: Convert to fraction form
    51,549.60/76,706.88 = 51,374.64/x
  3. Step 3: Cross multiply
    51,549.60x = 76,706.88 × 51,374.64
  4. Step 4: Simplify right side
    51,549.60x = 3,940,788,345.52
  5. Step 5: Solve for x
    x = 3,940,788,345.52/51,549.60
  6. Step 6: Final answer
    x = 76,446.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.