Home / 46,509.20-69,909.60-45,634.40

Finding the Fourth Proportional to 46,509.20, 69,909.60 and 45,634.40

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Solution

The fourth proportional to 46,509.20, 69,909.60 and 45,634.40 is: 68,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,509.20 : 69,909.60 = 45,634.40 : x
  2. Step 2: Convert to fraction form
    46,509.20/69,909.60 = 45,634.40/x
  3. Step 3: Cross multiply
    46,509.20x = 69,909.60 × 45,634.40
  4. Step 4: Simplify right side
    46,509.20x = 3,190,282,650.24
  5. Step 5: Solve for x
    x = 3,190,282,650.24/46,509.20
  6. Step 6: Final answer
    x = 68,594.66

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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.