Home / 75,688.96-113,285.76-55,693.12

Finding the Fourth Proportional to 75,688.96, 113,285.76 and 55,693.12

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Solution

The fourth proportional to 75,688.96, 113,285.76 and 55,693.12 is: 83,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,688.96 : 113,285.76 = 55,693.12 : x
  2. Step 2: Convert to fraction form
    75,688.96/113,285.76 = 55,693.12/x
  3. Step 3: Cross multiply
    75,688.96x = 113,285.76 × 55,693.12
  4. Step 4: Simplify right side
    75,688.96x = 6,309,237,425.97
  5. Step 5: Solve for x
    x = 6,309,237,425.97/75,688.96
  6. Step 6: Final answer
    x = 83,357.43

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1.5x scale

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.