Home / 53,478.40-80,217.60-46,566.40

Finding the Fourth Proportional to 53,478.40, 80,217.60 and 46,566.40

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Solution

The fourth proportional to 53,478.40, 80,217.60 and 46,566.40 is: 69,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.40 : 80,217.60 = 46,566.40 : x
  2. Step 2: Convert to fraction form
    53,478.40/80,217.60 = 46,566.40/x
  3. Step 3: Cross multiply
    53,478.40x = 80,217.60 × 46,566.40
  4. Step 4: Simplify right side
    53,478.40x = 3,735,444,848.64
  5. Step 5: Solve for x
    x = 3,735,444,848.64/53,478.40
  6. Step 6: Final answer
    x = 69,849.60

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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.