Home / 55,780.03-83,670.05-14,227.03

Finding the Fourth Proportional to 55,780.03, 83,670.05 and 14,227.03

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Solution

The fourth proportional to 55,780.03, 83,670.05 and 14,227.03 is: 21,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.03 : 83,670.05 = 14,227.03 : x
  2. Step 2: Convert to fraction form
    55,780.03/83,670.05 = 14,227.03/x
  3. Step 3: Cross multiply
    55,780.03x = 83,670.05 × 14,227.03
  4. Step 4: Simplify right side
    55,780.03x = 1,190,376,311.45
  5. Step 5: Solve for x
    x = 1,190,376,311.45/55,780.03
  6. Step 6: Final answer
    x = 21,340.55

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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.