Home / 126,022.80-189,050.40-62,875.20

Finding the Fourth Proportional to 126,022.80, 189,050.40 and 62,875.20

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Solution

The fourth proportional to 126,022.80, 189,050.40 and 62,875.20 is: 94,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.80 : 189,050.40 = 62,875.20 : x
  2. Step 2: Convert to fraction form
    126,022.80/189,050.40 = 62,875.20/x
  3. Step 3: Cross multiply
    126,022.80x = 189,050.40 × 62,875.20
  4. Step 4: Simplify right side
    126,022.80x = 11,886,581,710.08
  5. Step 5: Solve for x
    x = 11,886,581,710.08/126,022.80
  6. Step 6: Final answer
    x = 94,320.88

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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.