Home / 76,886.96-115,347.37-23,586.28

Finding the Fourth Proportional to 76,886.96, 115,347.37 and 23,586.28

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Solution

The fourth proportional to 76,886.96, 115,347.37 and 23,586.28 is: 35,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,886.96 : 115,347.37 = 23,586.28 : x
  2. Step 2: Convert to fraction form
    76,886.96/115,347.37 = 23,586.28/x
  3. Step 3: Cross multiply
    76,886.96x = 115,347.37 × 23,586.28
  4. Step 4: Simplify right side
    76,886.96x = 2,720,615,366.08
  5. Step 5: Solve for x
    x = 2,720,615,366.08/76,886.96
  6. Step 6: Final answer
    x = 35,384.61

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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.