Home / 55,071.20-75,825.60-48,604.16

Finding the Fourth Proportional to 55,071.20, 75,825.60 and 48,604.16

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Solution

The fourth proportional to 55,071.20, 75,825.60 and 48,604.16 is: 66,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.20 : 75,825.60 = 48,604.16 : x
  2. Step 2: Convert to fraction form
    55,071.20/75,825.60 = 48,604.16/x
  3. Step 3: Cross multiply
    55,071.20x = 75,825.60 × 48,604.16
  4. Step 4: Simplify right side
    55,071.20x = 3,685,439,594.50
  5. Step 5: Solve for x
    x = 3,685,439,594.50/55,071.20
  6. Step 6: Final answer
    x = 66,921.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.