Home / 126,036.51-189,084.18-41,790.51

Finding the Fourth Proportional to 126,036.51, 189,084.18 and 41,790.51

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Solution

The fourth proportional to 126,036.51, 189,084.18 and 41,790.51 is: 62,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.51 : 189,084.18 = 41,790.51 : x
  2. Step 2: Convert to fraction form
    126,036.51/189,084.18 = 41,790.51/x
  3. Step 3: Cross multiply
    126,036.51x = 189,084.18 × 41,790.51
  4. Step 4: Simplify right side
    126,036.51x = 7,901,924,315.13
  5. Step 5: Solve for x
    x = 7,901,924,315.13/126,036.51
  6. Step 6: Final answer
    x = 62,695.52

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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.