Home / 70,732.31-97,612.64-38,903.26

Finding the Fourth Proportional to 70,732.31, 97,612.64 and 38,903.26

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Solution

The fourth proportional to 70,732.31, 97,612.64 and 38,903.26 is: 53,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.31 : 97,612.64 = 38,903.26 : x
  2. Step 2: Convert to fraction form
    70,732.31/97,612.64 = 38,903.26/x
  3. Step 3: Cross multiply
    70,732.31x = 97,612.64 × 38,903.26
  4. Step 4: Simplify right side
    70,732.31x = 3,797,449,913.21
  5. Step 5: Solve for x
    x = 3,797,449,913.21/70,732.31
  6. Step 6: Final answer
    x = 53,687.63

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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.