Home / 113,890.50-157,178.61-63,599.22

Finding the Fourth Proportional to 113,890.50, 157,178.61 and 63,599.22

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Solution

The fourth proportional to 113,890.50, 157,178.61 and 63,599.22 is: 87,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,890.50 : 157,178.61 = 63,599.22 : x
  2. Step 2: Convert to fraction form
    113,890.50/157,178.61 = 63,599.22/x
  3. Step 3: Cross multiply
    113,890.50x = 157,178.61 × 63,599.22
  4. Step 4: Simplify right side
    113,890.50x = 9,996,436,996.68
  5. Step 5: Solve for x
    x = 9,996,436,996.68/113,890.50
  6. Step 6: Final answer
    x = 87,772.35

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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.