Home / 55,422.27-76,491.14-31,225.50

Finding the Fourth Proportional to 55,422.27, 76,491.14 and 31,225.50

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Solution

The fourth proportional to 55,422.27, 76,491.14 and 31,225.50 is: 43,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.27 : 76,491.14 = 31,225.50 : x
  2. Step 2: Convert to fraction form
    55,422.27/76,491.14 = 31,225.50/x
  3. Step 3: Cross multiply
    55,422.27x = 76,491.14 × 31,225.50
  4. Step 4: Simplify right side
    55,422.27x = 2,388,473,935.94
  5. Step 5: Solve for x
    x = 2,388,473,935.94/55,422.27
  6. Step 6: Final answer
    x = 43,095.92

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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.