Home / 117,034.28-175,509.90-42,134.31

Finding the Fourth Proportional to 117,034.28, 175,509.90 and 42,134.31

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Solution

The fourth proportional to 117,034.28, 175,509.90 and 42,134.31 is: 63,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,034.28 : 175,509.90 = 42,134.31 : x
  2. Step 2: Convert to fraction form
    117,034.28/175,509.90 = 42,134.31/x
  3. Step 3: Cross multiply
    117,034.28x = 175,509.90 × 42,134.31
  4. Step 4: Simplify right side
    117,034.28x = 7,394,988,534.67
  5. Step 5: Solve for x
    x = 7,394,988,534.67/117,034.28
  6. Step 6: Final answer
    x = 63,186.52

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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.