Home / 56,913.60-85,370.40-53,997.60

Finding the Fourth Proportional to 56,913.60, 85,370.40 and 53,997.60

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Solution

The fourth proportional to 56,913.60, 85,370.40 and 53,997.60 is: 80,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.60 : 85,370.40 = 53,997.60 : x
  2. Step 2: Convert to fraction form
    56,913.60/85,370.40 = 53,997.60/x
  3. Step 3: Cross multiply
    56,913.60x = 85,370.40 × 53,997.60
  4. Step 4: Simplify right side
    56,913.60x = 4,609,796,711.04
  5. Step 5: Solve for x
    x = 4,609,796,711.04/56,913.60
  6. Step 6: Final answer
    x = 80,996.40

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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.