Home / 72,675.73-109,029.31-22,070.59

Finding the Fourth Proportional to 72,675.73, 109,029.31 and 22,070.59

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Solution

The fourth proportional to 72,675.73, 109,029.31 and 22,070.59 is: 33,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,675.73 : 109,029.31 = 22,070.59 : x
  2. Step 2: Convert to fraction form
    72,675.73/109,029.31 = 22,070.59/x
  3. Step 3: Cross multiply
    72,675.73x = 109,029.31 × 22,070.59
  4. Step 4: Simplify right side
    72,675.73x = 2,406,341,088.64
  5. Step 5: Solve for x
    x = 2,406,341,088.64/72,675.73
  6. Step 6: Final answer
    x = 33,110.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.