Home / 76,693.60-105,833.24-43,161.76

Finding the Fourth Proportional to 76,693.60, 105,833.24 and 43,161.76

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Solution

The fourth proportional to 76,693.60, 105,833.24 and 43,161.76 is: 59,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,693.60 : 105,833.24 = 43,161.76 : x
  2. Step 2: Convert to fraction form
    76,693.60/105,833.24 = 43,161.76/x
  3. Step 3: Cross multiply
    76,693.60x = 105,833.24 × 43,161.76
  4. Step 4: Simplify right side
    76,693.60x = 4,567,948,904.90
  5. Step 5: Solve for x
    x = 4,567,948,904.90/76,693.60
  6. Step 6: Final answer
    x = 59,561.02

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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.