Home / 70,815.41-97,725.92-38,984.84

Finding the Fourth Proportional to 70,815.41, 97,725.92 and 38,984.84

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Solution

The fourth proportional to 70,815.41, 97,725.92 and 38,984.84 is: 53,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.41 : 97,725.92 = 38,984.84 : x
  2. Step 2: Convert to fraction form
    70,815.41/97,725.92 = 38,984.84/x
  3. Step 3: Cross multiply
    70,815.41x = 97,725.92 × 38,984.84
  4. Step 4: Simplify right side
    70,815.41x = 3,809,828,671.50
  5. Step 5: Solve for x
    x = 3,809,828,671.50/70,815.41
  6. Step 6: Final answer
    x = 53,799.43

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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.