Home / 55,210.14-76,184.26-31,013.82

Finding the Fourth Proportional to 55,210.14, 76,184.26 and 31,013.82

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Solution

The fourth proportional to 55,210.14, 76,184.26 and 31,013.82 is: 42,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.14 : 76,184.26 = 31,013.82 : x
  2. Step 2: Convert to fraction form
    55,210.14/76,184.26 = 31,013.82/x
  3. Step 3: Cross multiply
    55,210.14x = 76,184.26 × 31,013.82
  4. Step 4: Simplify right side
    55,210.14x = 2,362,764,926.47
  5. Step 5: Solve for x
    x = 2,362,764,926.47/55,210.14
  6. Step 6: Final answer
    x = 42,795.85

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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.