Home / 117,022.68-175,428.66-42,090.16

Finding the Fourth Proportional to 117,022.68, 175,428.66 and 42,090.16

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Solution

The fourth proportional to 117,022.68, 175,428.66 and 42,090.16 is: 63,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.68 : 175,428.66 = 42,090.16 : x
  2. Step 2: Convert to fraction form
    117,022.68/175,428.66 = 42,090.16/x
  3. Step 3: Cross multiply
    117,022.68x = 175,428.66 × 42,090.16
  4. Step 4: Simplify right side
    117,022.68x = 7,383,819,929.41
  5. Step 5: Solve for x
    x = 7,383,819,929.41/117,022.68
  6. Step 6: Final answer
    x = 63,097.34

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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.