Home / 92,683.41-138,975.30-29,486.40

Finding the Fourth Proportional to 92,683.41, 138,975.30 and 29,486.40

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Solution

The fourth proportional to 92,683.41, 138,975.30 and 29,486.40 is: 44,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,683.41 : 138,975.30 = 29,486.40 : x
  2. Step 2: Convert to fraction form
    92,683.41/138,975.30 = 29,486.40/x
  3. Step 3: Cross multiply
    92,683.41x = 138,975.30 × 29,486.40
  4. Step 4: Simplify right side
    92,683.41x = 4,097,881,285.92
  5. Step 5: Solve for x
    x = 4,097,881,285.92/92,683.41
  6. Step 6: Final answer
    x = 44,213.75

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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.