Home / 77,021.74-106,292.82-42,566.77

Finding the Fourth Proportional to 77,021.74, 106,292.82 and 42,566.77

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Solution

The fourth proportional to 77,021.74, 106,292.82 and 42,566.77 is: 58,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.74 : 106,292.82 = 42,566.77 : x
  2. Step 2: Convert to fraction form
    77,021.74/106,292.82 = 42,566.77/x
  3. Step 3: Cross multiply
    77,021.74x = 106,292.82 × 42,566.77
  4. Step 4: Simplify right side
    77,021.74x = 4,524,542,021.59
  5. Step 5: Solve for x
    x = 4,524,542,021.59/77,021.74
  6. Step 6: Final answer
    x = 58,743.70

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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.