Home / 53,145.54-73,346.04-39,693.44

Finding the Fourth Proportional to 53,145.54, 73,346.04 and 39,693.44

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Solution

The fourth proportional to 53,145.54, 73,346.04 and 39,693.44 is: 54,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.54 : 73,346.04 = 39,693.44 : x
  2. Step 2: Convert to fraction form
    53,145.54/73,346.04 = 39,693.44/x
  3. Step 3: Cross multiply
    53,145.54x = 73,346.04 × 39,693.44
  4. Step 4: Simplify right side
    53,145.54x = 2,911,356,637.98
  5. Step 5: Solve for x
    x = 2,911,356,637.98/53,145.54
  6. Step 6: Final answer
    x = 54,780.83

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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.