Home / 83,055.20-114,611.64-45,328.64

Finding the Fourth Proportional to 83,055.20, 114,611.64 and 45,328.64

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Solution

The fourth proportional to 83,055.20, 114,611.64 and 45,328.64 is: 62,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,055.20 : 114,611.64 = 45,328.64 : x
  2. Step 2: Convert to fraction form
    83,055.20/114,611.64 = 45,328.64/x
  3. Step 3: Cross multiply
    83,055.20x = 114,611.64 × 45,328.64
  4. Step 4: Simplify right side
    83,055.20x = 5,195,189,769.37
  5. Step 5: Solve for x
    x = 5,195,189,769.37/83,055.20
  6. Step 6: Final answer
    x = 62,551.05

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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.