Home / 52,482.05-78,708.68-31,405.51

Finding the Fourth Proportional to 52,482.05, 78,708.68 and 31,405.51

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Solution

The fourth proportional to 52,482.05, 78,708.68 and 31,405.51 is: 47,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,482.05 : 78,708.68 = 31,405.51 : x
  2. Step 2: Convert to fraction form
    52,482.05/78,708.68 = 31,405.51/x
  3. Step 3: Cross multiply
    52,482.05x = 78,708.68 × 31,405.51
  4. Step 4: Simplify right side
    52,482.05x = 2,471,886,236.83
  5. Step 5: Solve for x
    x = 2,471,886,236.83/52,482.05
  6. Step 6: Final answer
    x = 47,099.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.