Home / 70,810.84-97,721.75-38,982.70

Finding the Fourth Proportional to 70,810.84, 97,721.75 and 38,982.70

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Solution

The fourth proportional to 70,810.84, 97,721.75 and 38,982.70 is: 53,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.84 : 97,721.75 = 38,982.70 : x
  2. Step 2: Convert to fraction form
    70,810.84/97,721.75 = 38,982.70/x
  3. Step 3: Cross multiply
    70,810.84x = 97,721.75 × 38,982.70
  4. Step 4: Simplify right side
    70,810.84x = 3,809,457,663.73
  5. Step 5: Solve for x
    x = 3,809,457,663.73/70,810.84
  6. Step 6: Final answer
    x = 53,797.66

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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.