Home / 76,697.48-115,098.81-26,777.59

Finding the Fourth Proportional to 76,697.48, 115,098.81 and 26,777.59

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Solution

The fourth proportional to 76,697.48, 115,098.81 and 26,777.59 is: 40,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,697.48 : 115,098.81 = 26,777.59 : x
  2. Step 2: Convert to fraction form
    76,697.48/115,098.81 = 26,777.59/x
  3. Step 3: Cross multiply
    76,697.48x = 115,098.81 × 26,777.59
  4. Step 4: Simplify right side
    76,697.48x = 3,082,068,355.50
  5. Step 5: Solve for x
    x = 3,082,068,355.50/76,697.48
  6. Step 6: Final answer
    x = 40,184.74

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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.