Home / 72,316.66-108,286.32-58,199.56

Finding the Fourth Proportional to 72,316.66, 108,286.32 and 58,199.56

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Solution

The fourth proportional to 72,316.66, 108,286.32 and 58,199.56 is: 87,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316.66 : 108,286.32 = 58,199.56 : x
  2. Step 2: Convert to fraction form
    72,316.66/108,286.32 = 58,199.56/x
  3. Step 3: Cross multiply
    72,316.66x = 108,286.32 × 58,199.56
  4. Step 4: Simplify right side
    72,316.66x = 6,302,216,178.02
  5. Step 5: Solve for x
    x = 6,302,216,178.02/72,316.66
  6. Step 6: Final answer
    x = 87,147.50

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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.