Home / 77,028.11-106,288.23-43,032.37

Finding the Fourth Proportional to 77,028.11, 106,288.23 and 43,032.37

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Solution

The fourth proportional to 77,028.11, 106,288.23 and 43,032.37 is: 59,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,028.11 : 106,288.23 = 43,032.37 : x
  2. Step 2: Convert to fraction form
    77,028.11/106,288.23 = 43,032.37/x
  3. Step 3: Cross multiply
    77,028.11x = 106,288.23 × 43,032.37
  4. Step 4: Simplify right side
    77,028.11x = 4,573,834,470.80
  5. Step 5: Solve for x
    x = 4,573,834,470.80/77,028.11
  6. Step 6: Final answer
    x = 59,378.77

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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.