Home / 70,848.50-97,769.86-39,017.40

Finding the Fourth Proportional to 70,848.50, 97,769.86 and 39,017.40

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Solution

The fourth proportional to 70,848.50, 97,769.86 and 39,017.40 is: 53,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848.50 : 97,769.86 = 39,017.40 : x
  2. Step 2: Convert to fraction form
    70,848.50/97,769.86 = 39,017.40/x
  3. Step 3: Cross multiply
    70,848.50x = 97,769.86 × 39,017.40
  4. Step 4: Simplify right side
    70,848.50x = 3,814,725,735.56
  5. Step 5: Solve for x
    x = 3,814,725,735.56/70,848.50
  6. Step 6: Final answer
    x = 53,843.42

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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.