Home / 80,681.43-111,338.79-44,870.67

Finding the Fourth Proportional to 80,681.43, 111,338.79 and 44,870.67

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Solution

The fourth proportional to 80,681.43, 111,338.79 and 44,870.67 is: 61,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,681.43 : 111,338.79 = 44,870.67 : x
  2. Step 2: Convert to fraction form
    80,681.43/111,338.79 = 44,870.67/x
  3. Step 3: Cross multiply
    80,681.43x = 111,338.79 × 44,870.67
  4. Step 4: Simplify right side
    80,681.43x = 4,995,846,104.29
  5. Step 5: Solve for x
    x = 4,995,846,104.29/80,681.43
  6. Step 6: Final answer
    x = 61,920.64

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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.