Home / 52,548.20-78,822.30-48,247.40

Finding the Fourth Proportional to 52,548.20, 78,822.30 and 48,247.40

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Solution

The fourth proportional to 52,548.20, 78,822.30 and 48,247.40 is: 72,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,548.20 : 78,822.30 = 48,247.40 : x
  2. Step 2: Convert to fraction form
    52,548.20/78,822.30 = 48,247.40/x
  3. Step 3: Cross multiply
    52,548.20x = 78,822.30 × 48,247.40
  4. Step 4: Simplify right side
    52,548.20x = 3,802,971,037.02
  5. Step 5: Solve for x
    x = 3,802,971,037.02/52,548.20
  6. Step 6: Final answer
    x = 72,371.10

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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.