Home / 113,885.80-157,159.14-63,583.72

Finding the Fourth Proportional to 113,885.80, 157,159.14 and 63,583.72

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Solution

The fourth proportional to 113,885.80, 157,159.14 and 63,583.72 is: 87,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.80 : 157,159.14 = 63,583.72 : x
  2. Step 2: Convert to fraction form
    113,885.80/157,159.14 = 63,583.72/x
  3. Step 3: Cross multiply
    113,885.80x = 157,159.14 × 63,583.72
  4. Step 4: Simplify right side
    113,885.80x = 9,992,762,753.20
  5. Step 5: Solve for x
    x = 9,992,762,753.20/113,885.80
  6. Step 6: Final answer
    x = 87,743.71

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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.