Home / 67,047.42-92,515.11-38,747.64

Finding the Fourth Proportional to 67,047.42, 92,515.11 and 38,747.64

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Solution

The fourth proportional to 67,047.42, 92,515.11 and 38,747.64 is: 53,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,047.42 : 92,515.11 = 38,747.64 : x
  2. Step 2: Convert to fraction form
    67,047.42/92,515.11 = 38,747.64/x
  3. Step 3: Cross multiply
    67,047.42x = 92,515.11 × 38,747.64
  4. Step 4: Simplify right side
    67,047.42x = 3,584,742,176.84
  5. Step 5: Solve for x
    x = 3,584,742,176.84/67,047.42
  6. Step 6: Final answer
    x = 53,465.77

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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.