Home / 86,771.07-130,128.73-27,592.90

Finding the Fourth Proportional to 86,771.07, 130,128.73 and 27,592.90

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Solution

The fourth proportional to 86,771.07, 130,128.73 and 27,592.90 is: 41,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771.07 : 130,128.73 = 27,592.90 : x
  2. Step 2: Convert to fraction form
    86,771.07/130,128.73 = 27,592.90/x
  3. Step 3: Cross multiply
    86,771.07x = 130,128.73 × 27,592.90
  4. Step 4: Simplify right side
    86,771.07x = 3,590,628,639.71
  5. Step 5: Solve for x
    x = 3,590,628,639.71/86,771.07
  6. Step 6: Final answer
    x = 41,380.48

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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.