Home / 82,938.04-114,454.40-45,212.28

Finding the Fourth Proportional to 82,938.04, 114,454.40 and 45,212.28

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Solution

The fourth proportional to 82,938.04, 114,454.40 and 45,212.28 is: 62,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938.04 : 114,454.40 = 45,212.28 : x
  2. Step 2: Convert to fraction form
    82,938.04/114,454.40 = 45,212.28/x
  3. Step 3: Cross multiply
    82,938.04x = 114,454.40 × 45,212.28
  4. Step 4: Simplify right side
    82,938.04x = 5,174,744,380.03
  5. Step 5: Solve for x
    x = 5,174,744,380.03/82,938.04
  6. Step 6: Final answer
    x = 62,392.89

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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.