Home / 64,391.20-96,586.80-46,650.40

Finding the Fourth Proportional to 64,391.20, 96,586.80 and 46,650.40

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Solution

The fourth proportional to 64,391.20, 96,586.80 and 46,650.40 is: 69,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.20 : 96,586.80 = 46,650.40 : x
  2. Step 2: Convert to fraction form
    64,391.20/96,586.80 = 46,650.40/x
  3. Step 3: Cross multiply
    64,391.20x = 96,586.80 × 46,650.40
  4. Step 4: Simplify right side
    64,391.20x = 4,505,812,854.72
  5. Step 5: Solve for x
    x = 4,505,812,854.72/64,391.20
  6. Step 6: Final answer
    x = 69,975.60

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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.