Home / 86,660.80-130,004.96-36,741.12

Finding the Fourth Proportional to 86,660.80, 130,004.96 and 36,741.12

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Solution

The fourth proportional to 86,660.80, 130,004.96 and 36,741.12 is: 55,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.80 : 130,004.96 = 36,741.12 : x
  2. Step 2: Convert to fraction form
    86,660.80/130,004.96 = 36,741.12/x
  3. Step 3: Cross multiply
    86,660.80x = 130,004.96 × 36,741.12
  4. Step 4: Simplify right side
    86,660.80x = 4,776,527,835.96
  5. Step 5: Solve for x
    x = 4,776,527,835.96/86,660.80
  6. Step 6: Final answer
    x = 55,117.51

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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.