Home / 70,737.17-97,617.44-38,905.43

Finding the Fourth Proportional to 70,737.17, 97,617.44 and 38,905.43

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Solution

The fourth proportional to 70,737.17, 97,617.44 and 38,905.43 is: 53,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.17 : 97,617.44 = 38,905.43 : x
  2. Step 2: Convert to fraction form
    70,737.17/97,617.44 = 38,905.43/x
  3. Step 3: Cross multiply
    70,737.17x = 97,617.44 × 38,905.43
  4. Step 4: Simplify right side
    70,737.17x = 3,797,848,087.88
  5. Step 5: Solve for x
    x = 3,797,848,087.88/70,737.17
  6. Step 6: Final answer
    x = 53,689.57

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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.