Home / 113,387.13-169,955.64-46,790.75

Finding the Fourth Proportional to 113,387.13, 169,955.64 and 46,790.75

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Solution

The fourth proportional to 113,387.13, 169,955.64 and 46,790.75 is: 70,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,387.13 : 169,955.64 = 46,790.75 : x
  2. Step 2: Convert to fraction form
    113,387.13/169,955.64 = 46,790.75/x
  3. Step 3: Cross multiply
    113,387.13x = 169,955.64 × 46,790.75
  4. Step 4: Simplify right side
    113,387.13x = 7,952,351,012.55
  5. Step 5: Solve for x
    x = 7,952,351,012.55/113,387.13
  6. Step 6: Final answer
    x = 70,134.51

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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.