Home / 57,145.17-85,631.64-50,916.32

Finding the Fourth Proportional to 57,145.17, 85,631.64 and 50,916.32

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Solution

The fourth proportional to 57,145.17, 85,631.64 and 50,916.32 is: 76,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.17 : 85,631.64 = 50,916.32 : x
  2. Step 2: Convert to fraction form
    57,145.17/85,631.64 = 50,916.32/x
  3. Step 3: Cross multiply
    57,145.17x = 85,631.64 × 50,916.32
  4. Step 4: Simplify right side
    57,145.17x = 4,360,048,285.23
  5. Step 5: Solve for x
    x = 4,360,048,285.23/57,145.17
  6. Step 6: Final answer
    x = 76,297.76

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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.