Home / 57,638.68-86,457.16-35,155.96

Finding the Fourth Proportional to 57,638.68, 86,457.16 and 35,155.96

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Solution

The fourth proportional to 57,638.68, 86,457.16 and 35,155.96 is: 52,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.68 : 86,457.16 = 35,155.96 : x
  2. Step 2: Convert to fraction form
    57,638.68/86,457.16 = 35,155.96/x
  3. Step 3: Cross multiply
    57,638.68x = 86,457.16 × 35,155.96
  4. Step 4: Simplify right side
    57,638.68x = 3,039,484,458.67
  5. Step 5: Solve for x
    x = 3,039,484,458.67/57,638.68
  6. Step 6: Final answer
    x = 52,733.42

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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.