Home / 67,115.18-92,616.99-36,900.47

Finding the Fourth Proportional to 67,115.18, 92,616.99 and 36,900.47

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Solution

The fourth proportional to 67,115.18, 92,616.99 and 36,900.47 is: 50,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.18 : 92,616.99 = 36,900.47 : x
  2. Step 2: Convert to fraction form
    67,115.18/92,616.99 = 36,900.47/x
  3. Step 3: Cross multiply
    67,115.18x = 92,616.99 × 36,900.47
  4. Step 4: Simplify right side
    67,115.18x = 3,417,610,460.99
  5. Step 5: Solve for x
    x = 3,417,610,460.99/67,115.18
  6. Step 6: Final answer
    x = 50,921.57

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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.