Home / 67,156.10-92,668.14-38,856.50

Finding the Fourth Proportional to 67,156.10, 92,668.14 and 38,856.50

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Solution

The fourth proportional to 67,156.10, 92,668.14 and 38,856.50 is: 53,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156.10 : 92,668.14 = 38,856.50 : x
  2. Step 2: Convert to fraction form
    67,156.10/92,668.14 = 38,856.50/x
  3. Step 3: Cross multiply
    67,156.10x = 92,668.14 × 38,856.50
  4. Step 4: Simplify right side
    67,156.10x = 3,600,759,581.91
  5. Step 5: Solve for x
    x = 3,600,759,581.91/67,156.10
  6. Step 6: Final answer
    x = 53,617.76

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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.