Home / 53,868.20-74,340.11-29,670.19

Finding the Fourth Proportional to 53,868.20, 74,340.11 and 29,670.19

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Solution

The fourth proportional to 53,868.20, 74,340.11 and 29,670.19 is: 40,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.20 : 74,340.11 = 29,670.19 : x
  2. Step 2: Convert to fraction form
    53,868.20/74,340.11 = 29,670.19/x
  3. Step 3: Cross multiply
    53,868.20x = 74,340.11 × 29,670.19
  4. Step 4: Simplify right side
    53,868.20x = 2,205,685,076.65
  5. Step 5: Solve for x
    x = 2,205,685,076.65/53,868.20
  6. Step 6: Final answer
    x = 40,945.96

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Double scale
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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.