Home / 76,842.06-106,042.50-42,852.69

Finding the Fourth Proportional to 76,842.06, 106,042.50 and 42,852.69

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Solution

The fourth proportional to 76,842.06, 106,042.50 and 42,852.69 is: 59,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,842.06 : 106,042.50 = 42,852.69 : x
  2. Step 2: Convert to fraction form
    76,842.06/106,042.50 = 42,852.69/x
  3. Step 3: Cross multiply
    76,842.06x = 106,042.50 × 42,852.69
  4. Step 4: Simplify right side
    76,842.06x = 4,544,206,272.19
  5. Step 5: Solve for x
    x = 4,544,206,272.19/76,842.06
  6. Step 6: Final answer
    x = 59,136.97

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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.