Home / 55,192.20-82,788.30-48,631.20

Finding the Fourth Proportional to 55,192.20, 82,788.30 and 48,631.20

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Solution

The fourth proportional to 55,192.20, 82,788.30 and 48,631.20 is: 72,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.20 : 82,788.30 = 48,631.20 : x
  2. Step 2: Convert to fraction form
    55,192.20/82,788.30 = 48,631.20/x
  3. Step 3: Cross multiply
    55,192.20x = 82,788.30 × 48,631.20
  4. Step 4: Simplify right side
    55,192.20x = 4,026,094,374.96
  5. Step 5: Solve for x
    x = 4,026,094,374.96/55,192.20
  6. Step 6: Final answer
    x = 72,946.80

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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.