Home / 86,964.75-130,445.27-23,784.87

Finding the Fourth Proportional to 86,964.75, 130,445.27 and 23,784.87

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Solution

The fourth proportional to 86,964.75, 130,445.27 and 23,784.87 is: 35,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.75 : 130,445.27 = 23,784.87 : x
  2. Step 2: Convert to fraction form
    86,964.75/130,445.27 = 23,784.87/x
  3. Step 3: Cross multiply
    86,964.75x = 130,445.27 × 23,784.87
  4. Step 4: Simplify right side
    86,964.75x = 3,102,623,670.14
  5. Step 5: Solve for x
    x = 3,102,623,670.14/86,964.75
  6. Step 6: Final answer
    x = 35,676.80

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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.