Home / 116,519.10-160,741.35-68,740.62

Finding the Fourth Proportional to 116,519.10, 160,741.35 and 68,740.62

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Solution

The fourth proportional to 116,519.10, 160,741.35 and 68,740.62 is: 94,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,519.10 : 160,741.35 = 68,740.62 : x
  2. Step 2: Convert to fraction form
    116,519.10/160,741.35 = 68,740.62/x
  3. Step 3: Cross multiply
    116,519.10x = 160,741.35 × 68,740.62
  4. Step 4: Simplify right side
    116,519.10x = 11,049,460,058.64
  5. Step 5: Solve for x
    x = 11,049,460,058.64/116,519.10
  6. Step 6: Final answer
    x = 94,829.60

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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.