Home / 91,670.68-137,506.14-25,111.40

Finding the Fourth Proportional to 91,670.68, 137,506.14 and 25,111.40

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Solution

The fourth proportional to 91,670.68, 137,506.14 and 25,111.40 is: 37,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,670.68 : 137,506.14 = 25,111.40 : x
  2. Step 2: Convert to fraction form
    91,670.68/137,506.14 = 25,111.40/x
  3. Step 3: Cross multiply
    91,670.68x = 137,506.14 × 25,111.40
  4. Step 4: Simplify right side
    91,670.68x = 3,452,970,996.47
  5. Step 5: Solve for x
    x = 3,452,970,996.47/91,670.68
  6. Step 6: Final answer
    x = 37,667.12

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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.