Home / 53,707.60-80,561.40-48,696.40

Finding the Fourth Proportional to 53,707.60, 80,561.40 and 48,696.40

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Solution

The fourth proportional to 53,707.60, 80,561.40 and 48,696.40 is: 73,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,707.60 : 80,561.40 = 48,696.40 : x
  2. Step 2: Convert to fraction form
    53,707.60/80,561.40 = 48,696.40/x
  3. Step 3: Cross multiply
    53,707.60x = 80,561.40 × 48,696.40
  4. Step 4: Simplify right side
    53,707.60x = 3,923,050,158.96
  5. Step 5: Solve for x
    x = 3,923,050,158.96/53,707.60
  6. Step 6: Final answer
    x = 73,044.60

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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.