Home / 122,763.69-168,679.64-97,569.45

Finding the Fourth Proportional to 122,763.69, 168,679.64 and 97,569.45

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Solution

The fourth proportional to 122,763.69, 168,679.64 and 97,569.45 is: 134,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,763.69 : 168,679.64 = 97,569.45 : x
  2. Step 2: Convert to fraction form
    122,763.69/168,679.64 = 97,569.45/x
  3. Step 3: Cross multiply
    122,763.69x = 168,679.64 × 97,569.45
  4. Step 4: Simplify right side
    122,763.69x = 16,457,979,944.92
  5. Step 5: Solve for x
    x = 16,457,979,944.92/122,763.69
  6. Step 6: Final answer
    x = 134,062.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.