Home / 76,437.20-114,650.40-26,505.20

Finding the Fourth Proportional to 76,437.20, 114,650.40 and 26,505.20

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Solution

The fourth proportional to 76,437.20, 114,650.40 and 26,505.20 is: 39,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,437.20 : 114,650.40 = 26,505.20 : x
  2. Step 2: Convert to fraction form
    76,437.20/114,650.40 = 26,505.20/x
  3. Step 3: Cross multiply
    76,437.20x = 114,650.40 × 26,505.20
  4. Step 4: Simplify right side
    76,437.20x = 3,038,831,782.08
  5. Step 5: Solve for x
    x = 3,038,831,782.08/76,437.20
  6. Step 6: Final answer
    x = 39,755.93

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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.