Home / 55,964.85-83,950.55-15,980.76

Finding the Fourth Proportional to 55,964.85, 83,950.55 and 15,980.76

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Solution

The fourth proportional to 55,964.85, 83,950.55 and 15,980.76 is: 23,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.85 : 83,950.55 = 15,980.76 : x
  2. Step 2: Convert to fraction form
    55,964.85/83,950.55 = 15,980.76/x
  3. Step 3: Cross multiply
    55,964.85x = 83,950.55 × 15,980.76
  4. Step 4: Simplify right side
    55,964.85x = 1,341,593,591.42
  5. Step 5: Solve for x
    x = 1,341,593,591.42/55,964.85
  6. Step 6: Final answer
    x = 23,972.08

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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.