Home / 126,426.87-189,668.01-47,541.10

Finding the Fourth Proportional to 126,426.87, 189,668.01 and 47,541.10

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Solution

The fourth proportional to 126,426.87, 189,668.01 and 47,541.10 is: 71,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,426.87 : 189,668.01 = 47,541.10 : x
  2. Step 2: Convert to fraction form
    126,426.87/189,668.01 = 47,541.10/x
  3. Step 3: Cross multiply
    126,426.87x = 189,668.01 × 47,541.10
  4. Step 4: Simplify right side
    126,426.87x = 9,017,025,830.21
  5. Step 5: Solve for x
    x = 9,017,025,830.21/126,426.87
  6. Step 6: Final answer
    x = 71,322.07

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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.