Home / 70,372.06-97,109.82-38,534.80

Finding the Fourth Proportional to 70,372.06, 97,109.82 and 38,534.80

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Solution

The fourth proportional to 70,372.06, 97,109.82 and 38,534.80 is: 53,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.06 : 97,109.82 = 38,534.80 : x
  2. Step 2: Convert to fraction form
    70,372.06/97,109.82 = 38,534.80/x
  3. Step 3: Cross multiply
    70,372.06x = 97,109.82 × 38,534.80
  4. Step 4: Simplify right side
    70,372.06x = 3,742,107,491.74
  5. Step 5: Solve for x
    x = 3,742,107,491.74/70,372.06
  6. Step 6: Final answer
    x = 53,176.04

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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.