Home / 86,708.20-130,070.92-23,529.32

Finding the Fourth Proportional to 86,708.20, 130,070.92 and 23,529.32

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Solution

The fourth proportional to 86,708.20, 130,070.92 and 23,529.32 is: 35,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.20 : 130,070.92 = 23,529.32 : x
  2. Step 2: Convert to fraction form
    86,708.20/130,070.92 = 23,529.32/x
  3. Step 3: Cross multiply
    86,708.20x = 130,070.92 × 23,529.32
  4. Step 4: Simplify right side
    86,708.20x = 3,060,480,299.37
  5. Step 5: Solve for x
    x = 3,060,480,299.37/86,708.20
  6. Step 6: Final answer
    x = 35,296.32

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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.