Home / 124,962.48-187,399.44-40,699.80

Finding the Fourth Proportional to 124,962.48, 187,399.44 and 40,699.80

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Solution

The fourth proportional to 124,962.48, 187,399.44 and 40,699.80 is: 61,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,962.48 : 187,399.44 = 40,699.80 : x
  2. Step 2: Convert to fraction form
    124,962.48/187,399.44 = 40,699.80/x
  3. Step 3: Cross multiply
    124,962.48x = 187,399.44 × 40,699.80
  4. Step 4: Simplify right side
    124,962.48x = 7,627,119,728.11
  5. Step 5: Solve for x
    x = 7,627,119,728.11/124,962.48
  6. Step 6: Final answer
    x = 61,035.28

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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.