Home / 76,888.12-106,105.62-43,354.12

Finding the Fourth Proportional to 76,888.12, 106,105.62 and 43,354.12

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Solution

The fourth proportional to 76,888.12, 106,105.62 and 43,354.12 is: 59,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,888.12 : 106,105.62 = 43,354.12 : x
  2. Step 2: Convert to fraction form
    76,888.12/106,105.62 = 43,354.12/x
  3. Step 3: Cross multiply
    76,888.12x = 106,105.62 × 43,354.12
  4. Step 4: Simplify right side
    76,888.12x = 4,600,115,782.15
  5. Step 5: Solve for x
    x = 4,600,115,782.15/76,888.12
  6. Step 6: Final answer
    x = 59,828.69

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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.