Home / 79,020.96-109,038.48-50,765.04

Finding the Fourth Proportional to 79,020.96, 109,038.48 and 50,765.04

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Solution

The fourth proportional to 79,020.96, 109,038.48 and 50,765.04 is: 70,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.96 : 109,038.48 = 50,765.04 : x
  2. Step 2: Convert to fraction form
    79,020.96/109,038.48 = 50,765.04/x
  3. Step 3: Cross multiply
    79,020.96x = 109,038.48 × 50,765.04
  4. Step 4: Simplify right side
    79,020.96x = 5,535,342,798.74
  5. Step 5: Solve for x
    x = 5,535,342,798.74/79,020.96
  6. Step 6: Final answer
    x = 70,049.05

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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.