Home / 83,816.37-115,667.19-45,575.87

Finding the Fourth Proportional to 83,816.37, 115,667.19 and 45,575.87

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Solution

The fourth proportional to 83,816.37, 115,667.19 and 45,575.87 is: 62,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.37 : 115,667.19 = 45,575.87 : x
  2. Step 2: Convert to fraction form
    83,816.37/115,667.19 = 45,575.87/x
  3. Step 3: Cross multiply
    83,816.37x = 115,667.19 × 45,575.87
  4. Step 4: Simplify right side
    83,816.37x = 5,271,632,236.37
  5. Step 5: Solve for x
    x = 5,271,632,236.37/83,816.37
  6. Step 6: Final answer
    x = 62,895.02

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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.