Home / 53,688.72-80,472.31-27,337.80

Finding the Fourth Proportional to 53,688.72, 80,472.31 and 27,337.80

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Solution

The fourth proportional to 53,688.72, 80,472.31 and 27,337.80 is: 40,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.72 : 80,472.31 = 27,337.80 : x
  2. Step 2: Convert to fraction form
    53,688.72/80,472.31 = 27,337.80/x
  3. Step 3: Cross multiply
    53,688.72x = 80,472.31 × 27,337.80
  4. Step 4: Simplify right side
    53,688.72x = 2,199,935,916.32
  5. Step 5: Solve for x
    x = 2,199,935,916.32/53,688.72
  6. Step 6: Final answer
    x = 40,975.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.