Home / 76,318.96-105,308.76-43,610.90

Finding the Fourth Proportional to 76,318.96, 105,308.76 and 43,610.90

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Solution

The fourth proportional to 76,318.96, 105,308.76 and 43,610.90 is: 60,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,318.96 : 105,308.76 = 43,610.90 : x
  2. Step 2: Convert to fraction form
    76,318.96/105,308.76 = 43,610.90/x
  3. Step 3: Cross multiply
    76,318.96x = 105,308.76 × 43,610.90
  4. Step 4: Simplify right side
    76,318.96x = 4,592,609,801.48
  5. Step 5: Solve for x
    x = 4,592,609,801.48/76,318.96
  6. Step 6: Final answer
    x = 60,176.52

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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.