Home / 98,689.37-136,105.26-69,952.19

Finding the Fourth Proportional to 98,689.37, 136,105.26 and 69,952.19

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Solution

The fourth proportional to 98,689.37, 136,105.26 and 69,952.19 is: 96,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,689.37 : 136,105.26 = 69,952.19 : x
  2. Step 2: Convert to fraction form
    98,689.37/136,105.26 = 69,952.19/x
  3. Step 3: Cross multiply
    98,689.37x = 136,105.26 × 69,952.19
  4. Step 4: Simplify right side
    98,689.37x = 9,520,861,007.52
  5. Step 5: Solve for x
    x = 9,520,861,007.52/98,689.37
  6. Step 6: Final answer
    x = 96,473.01

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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.