Home / 67,886.04-101,842.29-20,504.94

Finding the Fourth Proportional to 67,886.04, 101,842.29 and 20,504.94

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Solution

The fourth proportional to 67,886.04, 101,842.29 and 20,504.94 is: 30,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,886.04 : 101,842.29 = 20,504.94 : x
  2. Step 2: Convert to fraction form
    67,886.04/101,842.29 = 20,504.94/x
  3. Step 3: Cross multiply
    67,886.04x = 101,842.29 × 20,504.94
  4. Step 4: Simplify right side
    67,886.04x = 2,088,270,045.91
  5. Step 5: Solve for x
    x = 2,088,270,045.91/67,886.04
  6. Step 6: Final answer
    x = 30,761.41

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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.