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Finding the Fourth Proportional to 70,371.55, 97,109.14 and 38,534.30

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Solution

The fourth proportional to 70,371.55, 97,109.14 and 38,534.30 is: 53,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.55 : 97,109.14 = 38,534.30 : x
  2. Step 2: Convert to fraction form
    70,371.55/97,109.14 = 38,534.30/x
  3. Step 3: Cross multiply
    70,371.55x = 97,109.14 × 38,534.30
  4. Step 4: Simplify right side
    70,371.55x = 3,742,032,733.50
  5. Step 5: Solve for x
    x = 3,742,032,733.50/70,371.55
  6. Step 6: Final answer
    x = 53,175.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.