Home / 53,904.30-80,856.45-48,720.30

Finding the Fourth Proportional to 53,904.30, 80,856.45 and 48,720.30

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Solution

The fourth proportional to 53,904.30, 80,856.45 and 48,720.30 is: 73,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.30 : 80,856.45 = 48,720.30 : x
  2. Step 2: Convert to fraction form
    53,904.30/80,856.45 = 48,720.30/x
  3. Step 3: Cross multiply
    53,904.30x = 80,856.45 × 48,720.30
  4. Step 4: Simplify right side
    53,904.30x = 3,939,350,500.94
  5. Step 5: Solve for x
    x = 3,939,350,500.94/53,904.30
  6. Step 6: Final answer
    x = 73,080.45

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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.