Home / 77,131.31-106,434.56-44,866.58

Finding the Fourth Proportional to 77,131.31, 106,434.56 and 44,866.58

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Solution

The fourth proportional to 77,131.31, 106,434.56 and 44,866.58 is: 61,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,131.31 : 106,434.56 = 44,866.58 : x
  2. Step 2: Convert to fraction form
    77,131.31/106,434.56 = 44,866.58/x
  3. Step 3: Cross multiply
    77,131.31x = 106,434.56 × 44,866.58
  4. Step 4: Simplify right side
    77,131.31x = 4,775,354,281.00
  5. Step 5: Solve for x
    x = 4,775,354,281.00/77,131.31
  6. Step 6: Final answer
    x = 61,912.01

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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.