Home / 112,772.29-169,092.84-42,657.07

Finding the Fourth Proportional to 112,772.29, 169,092.84 and 42,657.07

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Solution

The fourth proportional to 112,772.29, 169,092.84 and 42,657.07 is: 63,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,772.29 : 169,092.84 = 42,657.07 : x
  2. Step 2: Convert to fraction form
    112,772.29/169,092.84 = 42,657.07/x
  3. Step 3: Cross multiply
    112,772.29x = 169,092.84 × 42,657.07
  4. Step 4: Simplify right side
    112,772.29x = 7,213,005,112.38
  5. Step 5: Solve for x
    x = 7,213,005,112.38/112,772.29
  6. Step 6: Final answer
    x = 63,960.79

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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.