Home / 76,877.31-106,090.52-43,343.07

Finding the Fourth Proportional to 76,877.31, 106,090.52 and 43,343.07

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Solution

The fourth proportional to 76,877.31, 106,090.52 and 43,343.07 is: 59,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,877.31 : 106,090.52 = 43,343.07 : x
  2. Step 2: Convert to fraction form
    76,877.31/106,090.52 = 43,343.07/x
  3. Step 3: Cross multiply
    76,877.31x = 106,090.52 × 43,343.07
  4. Step 4: Simplify right side
    76,877.31x = 4,598,288,617.98
  5. Step 5: Solve for x
    x = 4,598,288,617.98/76,877.31
  6. Step 6: Final answer
    x = 59,813.34

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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.