Home / 76,439.52-105,537.96-58,502.52

Finding the Fourth Proportional to 76,439.52, 105,537.96 and 58,502.52

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Solution

The fourth proportional to 76,439.52, 105,537.96 and 58,502.52 is: 80,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,439.52 : 105,537.96 = 58,502.52 : x
  2. Step 2: Convert to fraction form
    76,439.52/105,537.96 = 58,502.52/x
  3. Step 3: Cross multiply
    76,439.52x = 105,537.96 × 58,502.52
  4. Step 4: Simplify right side
    76,439.52x = 6,174,236,615.66
  5. Step 5: Solve for x
    x = 6,174,236,615.66/76,439.52
  6. Step 6: Final answer
    x = 80,772.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.