Home / 112,761.05-169,161.12-37,888.50

Finding the Fourth Proportional to 112,761.05, 169,161.12 and 37,888.50

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Solution

The fourth proportional to 112,761.05, 169,161.12 and 37,888.50 is: 56,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,761.05 : 169,161.12 = 37,888.50 : x
  2. Step 2: Convert to fraction form
    112,761.05/169,161.12 = 37,888.50/x
  3. Step 3: Cross multiply
    112,761.05x = 169,161.12 × 37,888.50
  4. Step 4: Simplify right side
    112,761.05x = 6,409,261,095.12
  5. Step 5: Solve for x
    x = 6,409,261,095.12/112,761.05
  6. Step 6: Final answer
    x = 56,839.32

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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.