Home / 76,325.64-114,515.70-46,400.76

Finding the Fourth Proportional to 76,325.64, 114,515.70 and 46,400.76

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Solution

The fourth proportional to 76,325.64, 114,515.70 and 46,400.76 is: 69,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,325.64 : 114,515.70 = 46,400.76 : x
  2. Step 2: Convert to fraction form
    76,325.64/114,515.70 = 46,400.76/x
  3. Step 3: Cross multiply
    76,325.64x = 114,515.70 × 46,400.76
  4. Step 4: Simplify right side
    76,325.64x = 5,313,615,511.93
  5. Step 5: Solve for x
    x = 5,313,615,511.93/76,325.64
  6. Step 6: Final answer
    x = 69,617.70

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1.5x scale

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.