Home / 53,432.40-80,148.60-48,507.60

Finding the Fourth Proportional to 53,432.40, 80,148.60 and 48,507.60

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Solution

The fourth proportional to 53,432.40, 80,148.60 and 48,507.60 is: 72,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.40 : 80,148.60 = 48,507.60 : x
  2. Step 2: Convert to fraction form
    53,432.40/80,148.60 = 48,507.60/x
  3. Step 3: Cross multiply
    53,432.40x = 80,148.60 × 48,507.60
  4. Step 4: Simplify right side
    53,432.40x = 3,887,816,229.36
  5. Step 5: Solve for x
    x = 3,887,816,229.36/53,432.40
  6. Step 6: Final answer
    x = 72,761.40

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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.