Home / 55,750.30-83,722.65-54,000.70

Finding the Fourth Proportional to 55,750.30, 83,722.65 and 54,000.70

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Solution

The fourth proportional to 55,750.30, 83,722.65 and 54,000.70 is: 81,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.30 : 83,722.65 = 54,000.70 : x
  2. Step 2: Convert to fraction form
    55,750.30/83,722.65 = 54,000.70/x
  3. Step 3: Cross multiply
    55,750.30x = 83,722.65 × 54,000.70
  4. Step 4: Simplify right side
    55,750.30x = 4,521,081,705.86
  5. Step 5: Solve for x
    x = 4,521,081,705.86/55,750.30
  6. Step 6: Final answer
    x = 81,095.20

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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.