Home / 80,438.34-111,014.75-46,446.74

Finding the Fourth Proportional to 80,438.34, 111,014.75 and 46,446.74

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Solution

The fourth proportional to 80,438.34, 111,014.75 and 46,446.74 is: 64,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,438.34 : 111,014.75 = 46,446.74 : x
  2. Step 2: Convert to fraction form
    80,438.34/111,014.75 = 46,446.74/x
  3. Step 3: Cross multiply
    80,438.34x = 111,014.75 × 46,446.74
  4. Step 4: Simplify right side
    80,438.34x = 5,156,273,206.76
  5. Step 5: Solve for x
    x = 5,156,273,206.76/80,438.34
  6. Step 6: Final answer
    x = 64,102.18

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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.