Home / 76,847.93-106,050.61-42,858.58

Finding the Fourth Proportional to 76,847.93, 106,050.61 and 42,858.58

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Solution

The fourth proportional to 76,847.93, 106,050.61 and 42,858.58 is: 59,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,847.93 : 106,050.61 = 42,858.58 : x
  2. Step 2: Convert to fraction form
    76,847.93/106,050.61 = 42,858.58/x
  3. Step 3: Cross multiply
    76,847.93x = 106,050.61 × 42,858.58
  4. Step 4: Simplify right side
    76,847.93x = 4,545,178,552.73
  5. Step 5: Solve for x
    x = 4,545,178,552.73/76,847.93
  6. Step 6: Final answer
    x = 59,145.10

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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.