Home / 126,401.31-189,657.29-59,888.91

Finding the Fourth Proportional to 126,401.31, 189,657.29 and 59,888.91

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Solution

The fourth proportional to 126,401.31, 189,657.29 and 59,888.91 is: 89,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.31 : 189,657.29 = 59,888.91 : x
  2. Step 2: Convert to fraction form
    126,401.31/189,657.29 = 59,888.91/x
  3. Step 3: Cross multiply
    126,401.31x = 189,657.29 × 59,888.91
  4. Step 4: Simplify right side
    126,401.31x = 11,358,368,072.21
  5. Step 5: Solve for x
    x = 11,358,368,072.21/126,401.31
  6. Step 6: Final answer
    x = 89,859.58

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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.