Home / 86,762.38-130,141.77-27,598.18

Finding the Fourth Proportional to 86,762.38, 130,141.77 and 27,598.18

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Solution

The fourth proportional to 86,762.38, 130,141.77 and 27,598.18 is: 41,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,762.38 : 130,141.77 = 27,598.18 : x
  2. Step 2: Convert to fraction form
    86,762.38/130,141.77 = 27,598.18/x
  3. Step 3: Cross multiply
    86,762.38x = 130,141.77 × 27,598.18
  4. Step 4: Simplify right side
    86,762.38x = 3,591,675,993.98
  5. Step 5: Solve for x
    x = 3,591,675,993.98/86,762.38
  6. Step 6: Final answer
    x = 41,396.70

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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.