Home / 94,943.08-142,290.03-69,865.70

Finding the Fourth Proportional to 94,943.08, 142,290.03 and 69,865.70

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Solution

The fourth proportional to 94,943.08, 142,290.03 and 69,865.70 is: 104,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,943.08 : 142,290.03 = 69,865.70 : x
  2. Step 2: Convert to fraction form
    94,943.08/142,290.03 = 69,865.70/x
  3. Step 3: Cross multiply
    94,943.08x = 142,290.03 × 69,865.70
  4. Step 4: Simplify right side
    94,943.08x = 9,941,192,548.97
  5. Step 5: Solve for x
    x = 9,941,192,548.97/94,943.08
  6. Step 6: Final answer
    x = 104,706.87

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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.