Home / 83,864.40-125,796.60-57,620.40

Finding the Fourth Proportional to 83,864.40, 125,796.60 and 57,620.40

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Solution

The fourth proportional to 83,864.40, 125,796.60 and 57,620.40 is: 86,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,864.40 : 125,796.60 = 57,620.40 : x
  2. Step 2: Convert to fraction form
    83,864.40/125,796.60 = 57,620.40/x
  3. Step 3: Cross multiply
    83,864.40x = 125,796.60 × 57,620.40
  4. Step 4: Simplify right side
    83,864.40x = 7,248,450,410.64
  5. Step 5: Solve for x
    x = 7,248,450,410.64/83,864.40
  6. Step 6: Final answer
    x = 86,430.60

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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.