Home / 53,814.86-74,366.92-40,362.76

Finding the Fourth Proportional to 53,814.86, 74,366.92 and 40,362.76

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Solution

The fourth proportional to 53,814.86, 74,366.92 and 40,362.76 is: 55,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,814.86 : 74,366.92 = 40,362.76 : x
  2. Step 2: Convert to fraction form
    53,814.86/74,366.92 = 40,362.76/x
  3. Step 3: Cross multiply
    53,814.86x = 74,366.92 × 40,362.76
  4. Step 4: Simplify right side
    53,814.86x = 3,001,654,143.90
  5. Step 5: Solve for x
    x = 3,001,654,143.90/53,814.86
  6. Step 6: Final answer
    x = 55,777.42

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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.