Home / 71,346.62-98,460.56-39,518.48

Finding the Fourth Proportional to 71,346.62, 98,460.56 and 39,518.48

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Solution

The fourth proportional to 71,346.62, 98,460.56 and 39,518.48 is: 54,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,346.62 : 98,460.56 = 39,518.48 : x
  2. Step 2: Convert to fraction form
    71,346.62/98,460.56 = 39,518.48/x
  3. Step 3: Cross multiply
    71,346.62x = 98,460.56 × 39,518.48
  4. Step 4: Simplify right side
    71,346.62x = 3,891,012,016.10
  5. Step 5: Solve for x
    x = 3,891,012,016.10/71,346.62
  6. Step 6: Final answer
    x = 54,536.74

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1.5x scale

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.