Home / 86,733.78-130,109.37-23,554.86

Finding the Fourth Proportional to 86,733.78, 130,109.37 and 23,554.86

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Solution

The fourth proportional to 86,733.78, 130,109.37 and 23,554.86 is: 35,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.78 : 130,109.37 = 23,554.86 : x
  2. Step 2: Convert to fraction form
    86,733.78/130,109.37 = 23,554.86/x
  3. Step 3: Cross multiply
    86,733.78x = 130,109.37 × 23,554.86
  4. Step 4: Simplify right side
    86,733.78x = 3,064,707,995.04
  5. Step 5: Solve for x
    x = 3,064,707,995.04/86,733.78
  6. Step 6: Final answer
    x = 35,334.65

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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.