Home / 55,400.44-83,118.14-42,136.96

Finding the Fourth Proportional to 55,400.44, 83,118.14 and 42,136.96

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Solution

The fourth proportional to 55,400.44, 83,118.14 and 42,136.96 is: 63,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.44 : 83,118.14 = 42,136.96 : x
  2. Step 2: Convert to fraction form
    55,400.44/83,118.14 = 42,136.96/x
  3. Step 3: Cross multiply
    55,400.44x = 83,118.14 × 42,136.96
  4. Step 4: Simplify right side
    55,400.44x = 3,502,345,740.45
  5. Step 5: Solve for x
    x = 3,502,345,740.45/55,400.44
  6. Step 6: Final answer
    x = 63,218.74

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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.