Home / 76,502.20-114,534.60-46,977.70

Finding the Fourth Proportional to 76,502.20, 114,534.60 and 46,977.70

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Solution

The fourth proportional to 76,502.20, 114,534.60 and 46,977.70 is: 70,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502.20 : 114,534.60 = 46,977.70 : x
  2. Step 2: Convert to fraction form
    76,502.20/114,534.60 = 46,977.70/x
  3. Step 3: Cross multiply
    76,502.20x = 114,534.60 × 46,977.70
  4. Step 4: Simplify right side
    76,502.20x = 5,380,572,078.42
  5. Step 5: Solve for x
    x = 5,380,572,078.42/76,502.20
  6. Step 6: Final answer
    x = 70,332.25

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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.