Home / 55,015.20-75,748.32-48,548.16

Finding the Fourth Proportional to 55,015.20, 75,748.32 and 48,548.16

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Solution

The fourth proportional to 55,015.20, 75,748.32 and 48,548.16 is: 66,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.20 : 75,748.32 = 48,548.16 : x
  2. Step 2: Convert to fraction form
    55,015.20/75,748.32 = 48,548.16/x
  3. Step 3: Cross multiply
    55,015.20x = 75,748.32 × 48,548.16
  4. Step 4: Simplify right side
    55,015.20x = 3,677,441,559.09
  5. Step 5: Solve for x
    x = 3,677,441,559.09/55,015.20
  6. Step 6: Final answer
    x = 66,844.10

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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.