Home / 63,048.22-87,012.68-47,104.99

Finding the Fourth Proportional to 63,048.22, 87,012.68 and 47,104.99

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Solution

The fourth proportional to 63,048.22, 87,012.68 and 47,104.99 is: 65,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.22 : 87,012.68 = 47,104.99 : x
  2. Step 2: Convert to fraction form
    63,048.22/87,012.68 = 47,104.99/x
  3. Step 3: Cross multiply
    63,048.22x = 87,012.68 × 47,104.99
  4. Step 4: Simplify right side
    63,048.22x = 4,098,731,421.27
  5. Step 5: Solve for x
    x = 4,098,731,421.27/63,048.22
  6. Step 6: Final answer
    x = 65,009.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.