Home / 67,112.81-92,616.31-36,898.34

Finding the Fourth Proportional to 67,112.81, 92,616.31 and 36,898.34

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Solution

The fourth proportional to 67,112.81, 92,616.31 and 36,898.34 is: 50,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.81 : 92,616.31 = 36,898.34 : x
  2. Step 2: Convert to fraction form
    67,112.81/92,616.31 = 36,898.34/x
  3. Step 3: Cross multiply
    67,112.81x = 92,616.31 × 36,898.34
  4. Step 4: Simplify right side
    67,112.81x = 3,417,388,095.93
  5. Step 5: Solve for x
    x = 3,417,388,095.93/67,112.81
  6. Step 6: Final answer
    x = 50,920.06

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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.