Home / 86,891.36-130,399.20-37,006.40

Finding the Fourth Proportional to 86,891.36, 130,399.20 and 37,006.40

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Solution

The fourth proportional to 86,891.36, 130,399.20 and 37,006.40 is: 55,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,891.36 : 130,399.20 = 37,006.40 : x
  2. Step 2: Convert to fraction form
    86,891.36/130,399.20 = 37,006.40/x
  3. Step 3: Cross multiply
    86,891.36x = 130,399.20 × 37,006.40
  4. Step 4: Simplify right side
    86,891.36x = 4,825,604,954.88
  5. Step 5: Solve for x
    x = 4,825,604,954.88/86,891.36
  6. Step 6: Final answer
    x = 55,536.07

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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.