Home / 126,026.43-189,017.64-47,124.33

Finding the Fourth Proportional to 126,026.43, 189,017.64 and 47,124.33

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Solution

The fourth proportional to 126,026.43, 189,017.64 and 47,124.33 is: 70,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,026.43 : 189,017.64 = 47,124.33 : x
  2. Step 2: Convert to fraction form
    126,026.43/189,017.64 = 47,124.33/x
  3. Step 3: Cross multiply
    126,026.43x = 189,017.64 × 47,124.33
  4. Step 4: Simplify right side
    126,026.43x = 8,907,329,643.18
  5. Step 5: Solve for x
    x = 8,907,329,643.18/126,026.43
  6. Step 6: Final answer
    x = 70,678.27

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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.