Home / 118,905.29-164,090.64-67,924.77

Finding the Fourth Proportional to 118,905.29, 164,090.64 and 67,924.77

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Solution

The fourth proportional to 118,905.29, 164,090.64 and 67,924.77 is: 93,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,905.29 : 164,090.64 = 67,924.77 : x
  2. Step 2: Convert to fraction form
    118,905.29/164,090.64 = 67,924.77/x
  3. Step 3: Cross multiply
    118,905.29x = 164,090.64 × 67,924.77
  4. Step 4: Simplify right side
    118,905.29x = 11,145,818,981.15
  5. Step 5: Solve for x
    x = 11,145,818,981.15/118,905.29
  6. Step 6: Final answer
    x = 93,736.95

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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.