Home / 70,629.17-97,468.31-38,800.11

Finding the Fourth Proportional to 70,629.17, 97,468.31 and 38,800.11

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Solution

The fourth proportional to 70,629.17, 97,468.31 and 38,800.11 is: 53,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,629.17 : 97,468.31 = 38,800.11 : x
  2. Step 2: Convert to fraction form
    70,629.17/97,468.31 = 38,800.11/x
  3. Step 3: Cross multiply
    70,629.17x = 97,468.31 × 38,800.11
  4. Step 4: Simplify right side
    70,629.17x = 3,781,781,612.02
  5. Step 5: Solve for x
    x = 3,781,781,612.02/70,629.17
  6. Step 6: Final answer
    x = 53,544.19

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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.