Home / 57,005.24-85,420.32-34,785.32

Finding the Fourth Proportional to 57,005.24, 85,420.32 and 34,785.32

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Solution

The fourth proportional to 57,005.24, 85,420.32 and 34,785.32 is: 52,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,005.24 : 85,420.32 = 34,785.32 : x
  2. Step 2: Convert to fraction form
    57,005.24/85,420.32 = 34,785.32/x
  3. Step 3: Cross multiply
    57,005.24x = 85,420.32 × 34,785.32
  4. Step 4: Simplify right side
    57,005.24x = 2,971,373,165.70
  5. Step 5: Solve for x
    x = 2,971,373,165.70/57,005.24
  6. Step 6: Final answer
    x = 52,124.56

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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.