Home / 55,854.99-77,077.93-30,704.31

Finding the Fourth Proportional to 55,854.99, 77,077.93 and 30,704.31

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Solution

The fourth proportional to 55,854.99, 77,077.93 and 30,704.31 is: 42,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.99 : 77,077.93 = 30,704.31 : x
  2. Step 2: Convert to fraction form
    55,854.99/77,077.93 = 30,704.31/x
  3. Step 3: Cross multiply
    55,854.99x = 77,077.93 × 30,704.31
  4. Step 4: Simplify right side
    55,854.99x = 2,366,624,656.88
  5. Step 5: Solve for x
    x = 2,366,624,656.88/55,854.99
  6. Step 6: Final answer
    x = 42,370.87

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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.