Home / 83,740.12-125,628.63-46,354.72

Finding the Fourth Proportional to 83,740.12, 125,628.63 and 46,354.72

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Solution

The fourth proportional to 83,740.12, 125,628.63 and 46,354.72 is: 69,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,740.12 : 125,628.63 = 46,354.72 : x
  2. Step 2: Convert to fraction form
    83,740.12/125,628.63 = 46,354.72/x
  3. Step 3: Cross multiply
    83,740.12x = 125,628.63 × 46,354.72
  4. Step 4: Simplify right side
    83,740.12x = 5,823,479,107.72
  5. Step 5: Solve for x
    x = 5,823,479,107.72/83,740.12
  6. Step 6: Final answer
    x = 69,542.29

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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.