Home / 91,349.25-137,045.75-29,019.75

Finding the Fourth Proportional to 91,349.25, 137,045.75 and 29,019.75

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Solution

The fourth proportional to 91,349.25, 137,045.75 and 29,019.75 is: 43,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349.25 : 137,045.75 = 29,019.75 : x
  2. Step 2: Convert to fraction form
    91,349.25/137,045.75 = 29,019.75/x
  3. Step 3: Cross multiply
    91,349.25x = 137,045.75 × 29,019.75
  4. Step 4: Simplify right side
    91,349.25x = 3,977,033,258.46
  5. Step 5: Solve for x
    x = 3,977,033,258.46/91,349.25
  6. Step 6: Final answer
    x = 43,536.57

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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.