Home / 49,203.06-67,828.23-39,135.30

Finding the Fourth Proportional to 49,203.06, 67,828.23 and 39,135.30

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Solution

The fourth proportional to 49,203.06, 67,828.23 and 39,135.30 is: 53,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,203.06 : 67,828.23 = 39,135.30 : x
  2. Step 2: Convert to fraction form
    49,203.06/67,828.23 = 39,135.30/x
  3. Step 3: Cross multiply
    49,203.06x = 67,828.23 × 39,135.30
  4. Step 4: Simplify right side
    49,203.06x = 2,654,478,129.52
  5. Step 5: Solve for x
    x = 2,654,478,129.52/49,203.06
  6. Step 6: Final answer
    x = 53,949.45

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1.5x scale

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.