Home / 113,310.24-169,984.80-60,705.60

Finding the Fourth Proportional to 113,310.24, 169,984.80 and 60,705.60

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Solution

The fourth proportional to 113,310.24, 169,984.80 and 60,705.60 is: 91,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.24 : 169,984.80 = 60,705.60 : x
  2. Step 2: Convert to fraction form
    113,310.24/169,984.80 = 60,705.60/x
  3. Step 3: Cross multiply
    113,310.24x = 169,984.80 × 60,705.60
  4. Step 4: Simplify right side
    113,310.24x = 10,319,029,274.88
  5. Step 5: Solve for x
    x = 10,319,029,274.88/113,310.24
  6. Step 6: Final answer
    x = 91,068.81

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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.