Home / 76,850.07-106,052.88-42,858.59

Finding the Fourth Proportional to 76,850.07, 106,052.88 and 42,858.59

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Solution

The fourth proportional to 76,850.07, 106,052.88 and 42,858.59 is: 59,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,850.07 : 106,052.88 = 42,858.59 : x
  2. Step 2: Convert to fraction form
    76,850.07/106,052.88 = 42,858.59/x
  3. Step 3: Cross multiply
    76,850.07x = 106,052.88 × 42,858.59
  4. Step 4: Simplify right side
    76,850.07x = 4,545,276,902.24
  5. Step 5: Solve for x
    x = 4,545,276,902.24/76,850.07
  6. Step 6: Final answer
    x = 59,144.73

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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.