Home / 75,895.28-113,848.48-29,148.16

Finding the Fourth Proportional to 75,895.28, 113,848.48 and 29,148.16

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Solution

The fourth proportional to 75,895.28, 113,848.48 and 29,148.16 is: 43,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,895.28 : 113,848.48 = 29,148.16 : x
  2. Step 2: Convert to fraction form
    75,895.28/113,848.48 = 29,148.16/x
  3. Step 3: Cross multiply
    75,895.28x = 113,848.48 × 29,148.16
  4. Step 4: Simplify right side
    75,895.28x = 3,318,473,710.80
  5. Step 5: Solve for x
    x = 3,318,473,710.80/75,895.28
  6. Step 6: Final answer
    x = 43,724.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.