Home / 70,982.90-97,955.76-39,152.04

Finding the Fourth Proportional to 70,982.90, 97,955.76 and 39,152.04

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Solution

The fourth proportional to 70,982.90, 97,955.76 and 39,152.04 is: 54,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.90 : 97,955.76 = 39,152.04 : x
  2. Step 2: Convert to fraction form
    70,982.90/97,955.76 = 39,152.04/x
  3. Step 3: Cross multiply
    70,982.90x = 97,955.76 × 39,152.04
  4. Step 4: Simplify right side
    70,982.90x = 3,835,167,833.75
  5. Step 5: Solve for x
    x = 3,835,167,833.75/70,982.90
  6. Step 6: Final answer
    x = 54,029.46

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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.