Home / 55,795.17-76,997.88-30,644.67

Finding the Fourth Proportional to 55,795.17, 76,997.88 and 30,644.67

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Solution

The fourth proportional to 55,795.17, 76,997.88 and 30,644.67 is: 42,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.17 : 76,997.88 = 30,644.67 : x
  2. Step 2: Convert to fraction form
    55,795.17/76,997.88 = 30,644.67/x
  3. Step 3: Cross multiply
    55,795.17x = 76,997.88 × 30,644.67
  4. Step 4: Simplify right side
    55,795.17x = 2,359,574,623.30
  5. Step 5: Solve for x
    x = 2,359,574,623.30/55,795.17
  6. Step 6: Final answer
    x = 42,289.94

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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.