Home / 103,646.14-155,478.93-41,321.50

Finding the Fourth Proportional to 103,646.14, 155,478.93 and 41,321.50

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Solution

The fourth proportional to 103,646.14, 155,478.93 and 41,321.50 is: 61,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.14 : 155,478.93 = 41,321.50 : x
  2. Step 2: Convert to fraction form
    103,646.14/155,478.93 = 41,321.50/x
  3. Step 3: Cross multiply
    103,646.14x = 155,478.93 × 41,321.50
  4. Step 4: Simplify right side
    103,646.14x = 6,424,622,606.00
  5. Step 5: Solve for x
    x = 6,424,622,606.00/103,646.14
  6. Step 6: Final answer
    x = 61,986.13

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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.