Home / 58,104.19-87,148.00-18,656.17

Finding the Fourth Proportional to 58,104.19, 87,148.00 and 18,656.17

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Solution

The fourth proportional to 58,104.19, 87,148.00 and 18,656.17 is: 27,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,104.19 : 87,148.00 = 18,656.17 : x
  2. Step 2: Convert to fraction form
    58,104.19/87,148.00 = 18,656.17/x
  3. Step 3: Cross multiply
    58,104.19x = 87,148.00 × 18,656.17
  4. Step 4: Simplify right side
    58,104.19x = 1,625,848,198.82
  5. Step 5: Solve for x
    x = 1,625,848,198.82/58,104.19
  6. Step 6: Final answer
    x = 27,981.60

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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.