Home / 56,474.17-77,934.38-31,323.67

Finding the Fourth Proportional to 56,474.17, 77,934.38 and 31,323.67

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Solution

The fourth proportional to 56,474.17, 77,934.38 and 31,323.67 is: 43,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.17 : 77,934.38 = 31,323.67 : x
  2. Step 2: Convert to fraction form
    56,474.17/77,934.38 = 31,323.67/x
  3. Step 3: Cross multiply
    56,474.17x = 77,934.38 × 31,323.67
  4. Step 4: Simplify right side
    56,474.17x = 2,441,190,800.77
  5. Step 5: Solve for x
    x = 2,441,190,800.77/56,474.17
  6. Step 6: Final answer
    x = 43,226.68

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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.