Home / 77,555.27-116,328.29-27,632.72

Finding the Fourth Proportional to 77,555.27, 116,328.29 and 27,632.72

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Solution

The fourth proportional to 77,555.27, 116,328.29 and 27,632.72 is: 41,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.27 : 116,328.29 = 27,632.72 : x
  2. Step 2: Convert to fraction form
    77,555.27/116,328.29 = 27,632.72/x
  3. Step 3: Cross multiply
    77,555.27x = 116,328.29 × 27,632.72
  4. Step 4: Simplify right side
    77,555.27x = 3,214,466,927.49
  5. Step 5: Solve for x
    x = 3,214,466,927.49/77,555.27
  6. Step 6: Final answer
    x = 41,447.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.