Home / 91,954.49-137,931.55-25,394.45

Finding the Fourth Proportional to 91,954.49, 137,931.55 and 25,394.45

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Solution

The fourth proportional to 91,954.49, 137,931.55 and 25,394.45 is: 38,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954.49 : 137,931.55 = 25,394.45 : x
  2. Step 2: Convert to fraction form
    91,954.49/137,931.55 = 25,394.45/x
  3. Step 3: Cross multiply
    91,954.49x = 137,931.55 × 25,394.45
  4. Step 4: Simplify right side
    91,954.49x = 3,502,695,096.75
  5. Step 5: Solve for x
    x = 3,502,695,096.75/91,954.49
  6. Step 6: Final answer
    x = 38,091.62

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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.