Home / 117,346.58-161,937.86-63,631.46

Finding the Fourth Proportional to 117,346.58, 161,937.86 and 63,631.46

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Solution

The fourth proportional to 117,346.58, 161,937.86 and 63,631.46 is: 87,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,346.58 : 161,937.86 = 63,631.46 : x
  2. Step 2: Convert to fraction form
    117,346.58/161,937.86 = 63,631.46/x
  3. Step 3: Cross multiply
    117,346.58x = 161,937.86 × 63,631.46
  4. Step 4: Simplify right side
    117,346.58x = 10,304,342,461.08
  5. Step 5: Solve for x
    x = 10,304,342,461.08/117,346.58
  6. Step 6: Final answer
    x = 87,811.19

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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.