Home / 103,553.04-155,388.56-40,364.94

Finding the Fourth Proportional to 103,553.04, 155,388.56 and 40,364.94

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Solution

The fourth proportional to 103,553.04, 155,388.56 and 40,364.94 is: 60,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553.04 : 155,388.56 = 40,364.94 : x
  2. Step 2: Convert to fraction form
    103,553.04/155,388.56 = 40,364.94/x
  3. Step 3: Cross multiply
    103,553.04x = 155,388.56 × 40,364.94
  4. Step 4: Simplify right side
    103,553.04x = 6,272,249,699.26
  5. Step 5: Solve for x
    x = 6,272,249,699.26/103,553.04
  6. Step 6: Final answer
    x = 60,570.41

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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.