Home / 53,106.24-73,218.72-40,373.04

Finding the Fourth Proportional to 53,106.24, 73,218.72 and 40,373.04

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Solution

The fourth proportional to 53,106.24, 73,218.72 and 40,373.04 is: 55,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.24 : 73,218.72 = 40,373.04 : x
  2. Step 2: Convert to fraction form
    53,106.24/73,218.72 = 40,373.04/x
  3. Step 3: Cross multiply
    53,106.24x = 73,218.72 × 40,373.04
  4. Step 4: Simplify right side
    53,106.24x = 2,956,062,311.31
  5. Step 5: Solve for x
    x = 2,956,062,311.31/53,106.24
  6. Step 6: Final answer
    x = 55,663.18

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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.