Home / 56,243.76-77,614.92-30,749.37

Finding the Fourth Proportional to 56,243.76, 77,614.92 and 30,749.37

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Solution

The fourth proportional to 56,243.76, 77,614.92 and 30,749.37 is: 42,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.76 : 77,614.92 = 30,749.37 : x
  2. Step 2: Convert to fraction form
    56,243.76/77,614.92 = 30,749.37/x
  3. Step 3: Cross multiply
    56,243.76x = 77,614.92 × 30,749.37
  4. Step 4: Simplify right side
    56,243.76x = 2,386,609,892.60
  5. Step 5: Solve for x
    x = 2,386,609,892.60/56,243.76
  6. Step 6: Final answer
    x = 42,433.33

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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.