Home / 57,543.65-86,313.41-20,103.59

Finding the Fourth Proportional to 57,543.65, 86,313.41 and 20,103.59

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Solution

The fourth proportional to 57,543.65, 86,313.41 and 20,103.59 is: 30,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,543.65 : 86,313.41 = 20,103.59 : x
  2. Step 2: Convert to fraction form
    57,543.65/86,313.41 = 20,103.59/x
  3. Step 3: Cross multiply
    57,543.65x = 86,313.41 × 20,103.59
  4. Step 4: Simplify right side
    57,543.65x = 1,735,208,874.06
  5. Step 5: Solve for x
    x = 1,735,208,874.06/57,543.65
  6. Step 6: Final answer
    x = 30,154.66

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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.