Home / 76,622.08-114,641.52-46,112.64

Finding the Fourth Proportional to 76,622.08, 114,641.52 and 46,112.64

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Solution

The fourth proportional to 76,622.08, 114,641.52 and 46,112.64 is: 68,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,622.08 : 114,641.52 = 46,112.64 : x
  2. Step 2: Convert to fraction form
    76,622.08/114,641.52 = 46,112.64/x
  3. Step 3: Cross multiply
    76,622.08x = 114,641.52 × 46,112.64
  4. Step 4: Simplify right side
    76,622.08x = 5,286,423,140.81
  5. Step 5: Solve for x
    x = 5,286,423,140.81/76,622.08
  6. Step 6: Final answer
    x = 68,993.47

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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.