Home / 53,739.83-74,160.68-29,868.72

Finding the Fourth Proportional to 53,739.83, 74,160.68 and 29,868.72

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Solution

The fourth proportional to 53,739.83, 74,160.68 and 29,868.72 is: 41,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.83 : 74,160.68 = 29,868.72 : x
  2. Step 2: Convert to fraction form
    53,739.83/74,160.68 = 29,868.72/x
  3. Step 3: Cross multiply
    53,739.83x = 74,160.68 × 29,868.72
  4. Step 4: Simplify right side
    53,739.83x = 2,215,084,436.59
  5. Step 5: Solve for x
    x = 2,215,084,436.59/53,739.83
  6. Step 6: Final answer
    x = 41,218.68

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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.