Home / 126,018.11-189,026.69-59,422.14

Finding the Fourth Proportional to 126,018.11, 189,026.69 and 59,422.14

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Solution

The fourth proportional to 126,018.11, 189,026.69 and 59,422.14 is: 89,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,018.11 : 189,026.69 = 59,422.14 : x
  2. Step 2: Convert to fraction form
    126,018.11/189,026.69 = 59,422.14/x
  3. Step 3: Cross multiply
    126,018.11x = 189,026.69 × 59,422.14
  4. Step 4: Simplify right side
    126,018.11x = 11,232,370,139.81
  5. Step 5: Solve for x
    x = 11,232,370,139.81/126,018.11
  6. Step 6: Final answer
    x = 89,132.98

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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.