Home / 67,897.28-101,784.36-36,696.08

Finding the Fourth Proportional to 67,897.28, 101,784.36 and 36,696.08

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Solution

The fourth proportional to 67,897.28, 101,784.36 and 36,696.08 is: 55,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,897.28 : 101,784.36 = 36,696.08 : x
  2. Step 2: Convert to fraction form
    67,897.28/101,784.36 = 36,696.08/x
  3. Step 3: Cross multiply
    67,897.28x = 101,784.36 × 36,696.08
  4. Step 4: Simplify right side
    67,897.28x = 3,735,087,017.31
  5. Step 5: Solve for x
    x = 3,735,087,017.31/67,897.28
  6. Step 6: Final answer
    x = 55,010.85

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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.