Home / 79,777.32-119,680.21-26,472.50

Finding the Fourth Proportional to 79,777.32, 119,680.21 and 26,472.50

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Solution

The fourth proportional to 79,777.32, 119,680.21 and 26,472.50 is: 39,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.32 : 119,680.21 = 26,472.50 : x
  2. Step 2: Convert to fraction form
    79,777.32/119,680.21 = 26,472.50/x
  3. Step 3: Cross multiply
    79,777.32x = 119,680.21 × 26,472.50
  4. Step 4: Simplify right side
    79,777.32x = 3,168,234,359.23
  5. Step 5: Solve for x
    x = 3,168,234,359.23/79,777.32
  6. Step 6: Final answer
    x = 39,713.47

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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.