Home / 58,127.83-87,199.94-18,671.72

Finding the Fourth Proportional to 58,127.83, 87,199.94 and 18,671.72

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Solution

The fourth proportional to 58,127.83, 87,199.94 and 18,671.72 is: 28,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,127.83 : 87,199.94 = 18,671.72 : x
  2. Step 2: Convert to fraction form
    58,127.83/87,199.94 = 18,671.72/x
  3. Step 3: Cross multiply
    58,127.83x = 87,199.94 × 18,671.72
  4. Step 4: Simplify right side
    58,127.83x = 1,628,172,474.38
  5. Step 5: Solve for x
    x = 1,628,172,474.38/58,127.83
  6. Step 6: Final answer
    x = 28,010.21

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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.