Home / 126,007.72-189,038.70-62,861.80

Finding the Fourth Proportional to 126,007.72, 189,038.70 and 62,861.80

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Solution

The fourth proportional to 126,007.72, 189,038.70 and 62,861.80 is: 94,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.72 : 189,038.70 = 62,861.80 : x
  2. Step 2: Convert to fraction form
    126,007.72/189,038.70 = 62,861.80/x
  3. Step 3: Cross multiply
    126,007.72x = 189,038.70 × 62,861.80
  4. Step 4: Simplify right side
    126,007.72x = 11,883,312,951.66
  5. Step 5: Solve for x
    x = 11,883,312,951.66/126,007.72
  6. Step 6: Final answer
    x = 94,306.23

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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.