Home / 114,839.28-172,308.24-39,918.60

Finding the Fourth Proportional to 114,839.28, 172,308.24 and 39,918.60

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Solution

The fourth proportional to 114,839.28, 172,308.24 and 39,918.60 is: 59,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,839.28 : 172,308.24 = 39,918.60 : x
  2. Step 2: Convert to fraction form
    114,839.28/172,308.24 = 39,918.60/x
  3. Step 3: Cross multiply
    114,839.28x = 172,308.24 × 39,918.60
  4. Step 4: Simplify right side
    114,839.28x = 6,878,303,709.26
  5. Step 5: Solve for x
    x = 6,878,303,709.26/114,839.28
  6. Step 6: Final answer
    x = 59,895.04

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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.