Home / 70,942.31-97,900.40-39,113.27

Finding the Fourth Proportional to 70,942.31, 97,900.40 and 39,113.27

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Solution

The fourth proportional to 70,942.31, 97,900.40 and 39,113.27 is: 53,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.31 : 97,900.40 = 39,113.27 : x
  2. Step 2: Convert to fraction form
    70,942.31/97,900.40 = 39,113.27/x
  3. Step 3: Cross multiply
    70,942.31x = 97,900.40 × 39,113.27
  4. Step 4: Simplify right side
    70,942.31x = 3,829,204,093.24
  5. Step 5: Solve for x
    x = 3,829,204,093.24/70,942.31
  6. Step 6: Final answer
    x = 53,976.31

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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.