Home / 52,065.34-78,097.32-12,622.81

Finding the Fourth Proportional to 52,065.34, 78,097.32 and 12,622.81

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Solution

The fourth proportional to 52,065.34, 78,097.32 and 12,622.81 is: 18,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,065.34 : 78,097.32 = 12,622.81 : x
  2. Step 2: Convert to fraction form
    52,065.34/78,097.32 = 12,622.81/x
  3. Step 3: Cross multiply
    52,065.34x = 78,097.32 × 12,622.81
  4. Step 4: Simplify right side
    52,065.34x = 985,807,631.87
  5. Step 5: Solve for x
    x = 985,807,631.87/52,065.34
  6. Step 6: Final answer
    x = 18,934.05

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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.