Home / 51,823.67-77,731.02-31,555.17

Finding the Fourth Proportional to 51,823.67, 77,731.02 and 31,555.17

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Solution

The fourth proportional to 51,823.67, 77,731.02 and 31,555.17 is: 47,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.67 : 77,731.02 = 31,555.17 : x
  2. Step 2: Convert to fraction form
    51,823.67/77,731.02 = 31,555.17/x
  3. Step 3: Cross multiply
    51,823.67x = 77,731.02 × 31,555.17
  4. Step 4: Simplify right side
    51,823.67x = 2,452,815,550.37
  5. Step 5: Solve for x
    x = 2,452,815,550.37/51,823.67
  6. Step 6: Final answer
    x = 47,330.03

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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.