Home / 57,875.48-86,819.45-18,423.36

Finding the Fourth Proportional to 57,875.48, 86,819.45 and 18,423.36

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Solution

The fourth proportional to 57,875.48, 86,819.45 and 18,423.36 is: 27,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875.48 : 86,819.45 = 18,423.36 : x
  2. Step 2: Convert to fraction form
    57,875.48/86,819.45 = 18,423.36/x
  3. Step 3: Cross multiply
    57,875.48x = 86,819.45 × 18,423.36
  4. Step 4: Simplify right side
    57,875.48x = 1,599,505,890.24
  5. Step 5: Solve for x
    x = 1,599,505,890.24/57,875.48
  6. Step 6: Final answer
    x = 27,637.02

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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.