Home / 115,555.86-173,333.79-31,316.02

Finding the Fourth Proportional to 115,555.86, 173,333.79 and 31,316.02

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Solution

The fourth proportional to 115,555.86, 173,333.79 and 31,316.02 is: 46,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.86 : 173,333.79 = 31,316.02 : x
  2. Step 2: Convert to fraction form
    115,555.86/173,333.79 = 31,316.02/x
  3. Step 3: Cross multiply
    115,555.86x = 173,333.79 × 31,316.02
  4. Step 4: Simplify right side
    115,555.86x = 5,428,124,000.98
  5. Step 5: Solve for x
    x = 5,428,124,000.98/115,555.86
  6. Step 6: Final answer
    x = 46,974.03

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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.