Home / 76,092.12-105,006.78-42,558.36

Finding the Fourth Proportional to 76,092.12, 105,006.78 and 42,558.36

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Solution

The fourth proportional to 76,092.12, 105,006.78 and 42,558.36 is: 58,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,092.12 : 105,006.78 = 42,558.36 : x
  2. Step 2: Convert to fraction form
    76,092.12/105,006.78 = 42,558.36/x
  3. Step 3: Cross multiply
    76,092.12x = 105,006.78 × 42,558.36
  4. Step 4: Simplify right side
    76,092.12x = 4,468,916,345.68
  5. Step 5: Solve for x
    x = 4,468,916,345.68/76,092.12
  6. Step 6: Final answer
    x = 58,730.34

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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.