Home / 53,165.63-73,379.18-30,519.92

Finding the Fourth Proportional to 53,165.63, 73,379.18 and 30,519.92

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Solution

The fourth proportional to 53,165.63, 73,379.18 and 30,519.92 is: 42,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.63 : 73,379.18 = 30,519.92 : x
  2. Step 2: Convert to fraction form
    53,165.63/73,379.18 = 30,519.92/x
  3. Step 3: Cross multiply
    53,165.63x = 73,379.18 × 30,519.92
  4. Step 4: Simplify right side
    53,165.63x = 2,239,526,963.01
  5. Step 5: Solve for x
    x = 2,239,526,963.01/53,165.63
  6. Step 6: Final answer
    x = 42,123.58

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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.