Home / 114,107.40-157,456.10-63,112.02

Finding the Fourth Proportional to 114,107.40, 157,456.10 and 63,112.02

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Solution

The fourth proportional to 114,107.40, 157,456.10 and 63,112.02 is: 87,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,107.40 : 157,456.10 = 63,112.02 : x
  2. Step 2: Convert to fraction form
    114,107.40/157,456.10 = 63,112.02/x
  3. Step 3: Cross multiply
    114,107.40x = 157,456.10 × 63,112.02
  4. Step 4: Simplify right side
    114,107.40x = 9,937,372,532.32
  5. Step 5: Solve for x
    x = 9,937,372,532.32/114,107.40
  6. Step 6: Final answer
    x = 87,087.89

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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.