Home / 76,995.12-106,246.35-42,998.89

Finding the Fourth Proportional to 76,995.12, 106,246.35 and 42,998.89

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Solution

The fourth proportional to 76,995.12, 106,246.35 and 42,998.89 is: 59,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,995.12 : 106,246.35 = 42,998.89 : x
  2. Step 2: Convert to fraction form
    76,995.12/106,246.35 = 42,998.89/x
  3. Step 3: Cross multiply
    76,995.12x = 106,246.35 × 42,998.89
  4. Step 4: Simplify right side
    76,995.12x = 4,568,474,370.33
  5. Step 5: Solve for x
    x = 4,568,474,370.33/76,995.12
  6. Step 6: Final answer
    x = 59,334.60

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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.