Home / 67,499.40-92,339.65-67,215.09

Finding the Fourth Proportional to 67,499.40, 92,339.65 and 67,215.09

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Solution

The fourth proportional to 67,499.40, 92,339.65 and 67,215.09 is: 91,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,499.40 : 92,339.65 = 67,215.09 : x
  2. Step 2: Convert to fraction form
    67,499.40/92,339.65 = 67,215.09/x
  3. Step 3: Cross multiply
    67,499.40x = 92,339.65 × 67,215.09
  4. Step 4: Simplify right side
    67,499.40x = 6,206,617,885.32
  5. Step 5: Solve for x
    x = 6,206,617,885.32/67,499.40
  6. Step 6: Final answer
    x = 91,950.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.