Home / 65,555.06-98,332.67-28,090.82

Finding the Fourth Proportional to 65,555.06, 98,332.67 and 28,090.82

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Solution

The fourth proportional to 65,555.06, 98,332.67 and 28,090.82 is: 42,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.06 : 98,332.67 = 28,090.82 : x
  2. Step 2: Convert to fraction form
    65,555.06/98,332.67 = 28,090.82/x
  3. Step 3: Cross multiply
    65,555.06x = 98,332.67 × 28,090.82
  4. Step 4: Simplify right side
    65,555.06x = 2,762,245,649.15
  5. Step 5: Solve for x
    x = 2,762,245,649.15/65,555.06
  6. Step 6: Final answer
    x = 42,136.27

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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.