Home / 103,936.16-143,429.90-58,613.33

Finding the Fourth Proportional to 103,936.16, 143,429.90 and 58,613.33

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Solution

The fourth proportional to 103,936.16, 143,429.90 and 58,613.33 is: 80,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,936.16 : 143,429.90 = 58,613.33 : x
  2. Step 2: Convert to fraction form
    103,936.16/143,429.90 = 58,613.33/x
  3. Step 3: Cross multiply
    103,936.16x = 143,429.90 × 58,613.33
  4. Step 4: Simplify right side
    103,936.16x = 8,406,903,050.35
  5. Step 5: Solve for x
    x = 8,406,903,050.35/103,936.16
  6. Step 6: Final answer
    x = 80,885.26

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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.