Home / 55,558.18-76,669.70-30,063.99

Finding the Fourth Proportional to 55,558.18, 76,669.70 and 30,063.99

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Solution

The fourth proportional to 55,558.18, 76,669.70 and 30,063.99 is: 41,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.18 : 76,669.70 = 30,063.99 : x
  2. Step 2: Convert to fraction form
    55,558.18/76,669.70 = 30,063.99/x
  3. Step 3: Cross multiply
    55,558.18x = 76,669.70 × 30,063.99
  4. Step 4: Simplify right side
    55,558.18x = 2,304,996,795.78
  5. Step 5: Solve for x
    x = 2,304,996,795.78/55,558.18
  6. Step 6: Final answer
    x = 41,487.98

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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.