Home / 53,969.76-74,478.43-29,770.14

Finding the Fourth Proportional to 53,969.76, 74,478.43 and 29,770.14

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Solution

The fourth proportional to 53,969.76, 74,478.43 and 29,770.14 is: 41,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.76 : 74,478.43 = 29,770.14 : x
  2. Step 2: Convert to fraction form
    53,969.76/74,478.43 = 29,770.14/x
  3. Step 3: Cross multiply
    53,969.76x = 74,478.43 × 29,770.14
  4. Step 4: Simplify right side
    53,969.76x = 2,217,232,878.54
  5. Step 5: Solve for x
    x = 2,217,232,878.54/53,969.76
  6. Step 6: Final answer
    x = 41,082.88

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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.