Home / 113,827.51-157,097.81-63,529.75

Finding the Fourth Proportional to 113,827.51, 157,097.81 and 63,529.75

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Solution

The fourth proportional to 113,827.51, 157,097.81 and 63,529.75 is: 87,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.51 : 157,097.81 = 63,529.75 : x
  2. Step 2: Convert to fraction form
    113,827.51/157,097.81 = 63,529.75/x
  3. Step 3: Cross multiply
    113,827.51x = 157,097.81 × 63,529.75
  4. Step 4: Simplify right side
    113,827.51x = 9,980,384,594.85
  5. Step 5: Solve for x
    x = 9,980,384,594.85/113,827.51
  6. Step 6: Final answer
    x = 87,679.90

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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.