Home / 67,154.10-92,665.38-38,854.50

Finding the Fourth Proportional to 67,154.10, 92,665.38 and 38,854.50

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Solution

The fourth proportional to 67,154.10, 92,665.38 and 38,854.50 is: 53,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.10 : 92,665.38 = 38,854.50 : x
  2. Step 2: Convert to fraction form
    67,154.10/92,665.38 = 38,854.50/x
  3. Step 3: Cross multiply
    67,154.10x = 92,665.38 × 38,854.50
  4. Step 4: Simplify right side
    67,154.10x = 3,600,467,007.21
  5. Step 5: Solve for x
    x = 3,600,467,007.21/67,154.10
  6. Step 6: Final answer
    x = 53,615.00

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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.