Home / 70,947.33-97,908.01-39,117.36

Finding the Fourth Proportional to 70,947.33, 97,908.01 and 39,117.36

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Solution

The fourth proportional to 70,947.33, 97,908.01 and 39,117.36 is: 53,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.33 : 97,908.01 = 39,117.36 : x
  2. Step 2: Convert to fraction form
    70,947.33/97,908.01 = 39,117.36/x
  3. Step 3: Cross multiply
    70,947.33x = 97,908.01 × 39,117.36
  4. Step 4: Simplify right side
    70,947.33x = 3,829,903,143.42
  5. Step 5: Solve for x
    x = 3,829,903,143.42/70,947.33
  6. Step 6: Final answer
    x = 53,982.35

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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.