Home / 64,025.10-88,313.40-38,874.60

Finding the Fourth Proportional to 64,025.10, 88,313.40 and 38,874.60

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Solution

The fourth proportional to 64,025.10, 88,313.40 and 38,874.60 is: 53,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,025.10 : 88,313.40 = 38,874.60 : x
  2. Step 2: Convert to fraction form
    64,025.10/88,313.40 = 38,874.60/x
  3. Step 3: Cross multiply
    64,025.10x = 88,313.40 × 38,874.60
  4. Step 4: Simplify right side
    64,025.10x = 3,433,148,099.64
  5. Step 5: Solve for x
    x = 3,433,148,099.64/64,025.10
  6. Step 6: Final answer
    x = 53,621.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.