Home / 86,921.22-130,360.75-23,741.64

Finding the Fourth Proportional to 86,921.22, 130,360.75 and 23,741.64

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Solution

The fourth proportional to 86,921.22, 130,360.75 and 23,741.64 is: 35,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921.22 : 130,360.75 = 23,741.64 : x
  2. Step 2: Convert to fraction form
    86,921.22/130,360.75 = 23,741.64/x
  3. Step 3: Cross multiply
    86,921.22x = 130,360.75 × 23,741.64
  4. Step 4: Simplify right side
    86,921.22x = 3,094,977,554.25
  5. Step 5: Solve for x
    x = 3,094,977,554.25/86,921.22
  6. Step 6: Final answer
    x = 35,606.70

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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.