Home / 76,816.86-106,006.95-42,824.94

Finding the Fourth Proportional to 76,816.86, 106,006.95 and 42,824.94

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Solution

The fourth proportional to 76,816.86, 106,006.95 and 42,824.94 is: 59,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816.86 : 106,006.95 = 42,824.94 : x
  2. Step 2: Convert to fraction form
    76,816.86/106,006.95 = 42,824.94/x
  3. Step 3: Cross multiply
    76,816.86x = 106,006.95 × 42,824.94
  4. Step 4: Simplify right side
    76,816.86x = 4,539,741,273.33
  5. Step 5: Solve for x
    x = 4,539,741,273.33/76,816.86
  6. Step 6: Final answer
    x = 59,098.24

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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.