Home / 98,992.36-136,426.26-70,313.32

Finding the Fourth Proportional to 98,992.36, 136,426.26 and 70,313.32

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Solution

The fourth proportional to 98,992.36, 136,426.26 and 70,313.32 is: 96,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,992.36 : 136,426.26 = 70,313.32 : x
  2. Step 2: Convert to fraction form
    98,992.36/136,426.26 = 70,313.32/x
  3. Step 3: Cross multiply
    98,992.36x = 136,426.26 × 70,313.32
  4. Step 4: Simplify right side
    98,992.36x = 9,592,583,275.78
  5. Step 5: Solve for x
    x = 9,592,583,275.78/98,992.36
  6. Step 6: Final answer
    x = 96,902.26

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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.