Home / 77,288.18-106,664.45-43,296.12

Finding the Fourth Proportional to 77,288.18, 106,664.45 and 43,296.12

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Solution

The fourth proportional to 77,288.18, 106,664.45 and 43,296.12 is: 59,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,288.18 : 106,664.45 = 43,296.12 : x
  2. Step 2: Convert to fraction form
    77,288.18/106,664.45 = 43,296.12/x
  3. Step 3: Cross multiply
    77,288.18x = 106,664.45 × 43,296.12
  4. Step 4: Simplify right side
    77,288.18x = 4,618,156,610.45
  5. Step 5: Solve for x
    x = 4,618,156,610.45/77,288.18
  6. Step 6: Final answer
    x = 59,752.43

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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.