Home / 70,130.25-96,780.10-38,299.15

Finding the Fourth Proportional to 70,130.25, 96,780.10 and 38,299.15

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Solution

The fourth proportional to 70,130.25, 96,780.10 and 38,299.15 is: 52,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130.25 : 96,780.10 = 38,299.15 : x
  2. Step 2: Convert to fraction form
    70,130.25/96,780.10 = 38,299.15/x
  3. Step 3: Cross multiply
    70,130.25x = 96,780.10 × 38,299.15
  4. Step 4: Simplify right side
    70,130.25x = 3,706,595,662.66
  5. Step 5: Solve for x
    x = 3,706,595,662.66/70,130.25
  6. Step 6: Final answer
    x = 52,853.02

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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.