Home / 56,430.27-77,898.83-36,039.03

Finding the Fourth Proportional to 56,430.27, 77,898.83 and 36,039.03

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Solution

The fourth proportional to 56,430.27, 77,898.83 and 36,039.03 is: 49,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.27 : 77,898.83 = 36,039.03 : x
  2. Step 2: Convert to fraction form
    56,430.27/77,898.83 = 36,039.03/x
  3. Step 3: Cross multiply
    56,430.27x = 77,898.83 × 36,039.03
  4. Step 4: Simplify right side
    56,430.27x = 2,807,398,091.14
  5. Step 5: Solve for x
    x = 2,807,398,091.14/56,430.27
  6. Step 6: Final answer
    x = 49,749.86

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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.